CN209997051U

CN209997051U - tapered spiral translation type expansion rescue equipment

Info

Publication number: CN209997051U
Application number: CN201920659801.7U
Authority: CN
Inventors: 毛征宇; 王粤; 李学攀; 刘欢; 衣高生
Original assignee: Hunan University of Science and Technology
Current assignee: Hunan University of Science and Technology
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-01-31
Anticipated expiration: 2029-05-09

Abstract

The utility model discloses an taper spiral translation formula expansion rescue equipment, including fuselage, two pincers bodies, pivot, axle sleeve and clutch, install hydraulic motor on the fuselage, the rear end of hydraulic motor's output shaft pivot, the front end of pivot is equipped with taper spiral cutting head, the rear portion of pivot is equipped with the screw thread, two pincers bodies are articulated with the fuselage, two pincers bodies set up about screw thread axisymmetric, the front end of pincers body is equipped with the tong mouth, the width when the awl end diameter ratio of taper spiral cutting head is closed is big than two tong mouths, and is located tong mouth the place ahead, the end of the rear end pull rod of pincers body articulated, the other end of pull rod is articulated with the axle sleeve, the clutch can drive the pincers body through axle sleeve, pull rod and open.

Description

tapered spiral translation type expansion rescue equipment

Technical Field

The utility model belongs to the technical field of rescue machinery equips, specifically relate to kinds of taper spiral translation formula expansion rescue equipment.

Background

With geological disasters such as earthquakes and frequent occurrence of accidents of traffic, industry and houses, the rescue work of the country for sudden disasters is more and more emphasized, people's lives and properties are higher than , as long as the people hope to be rescued, rescue officers can rescue injured trapped people without losing , time is life in the rescue work, rescue equipment is also an indispensable tool in hands of the people and plays an increasingly important role in the rescue work, therefore, higher and higher requirements are provided for the rescue equipment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an simple structure, convenient operation can utilize the crowded expansion of going into of circular cone spiral cutting or utilize the crowded expansion of going into of circular cone spiral cutting to tear the steel sheet after the circumstances that does not have the gap utilizes self quality striking to recycle under the condition that the gap is less than 5 millimeters to the toper spiral translation formula expansion rescue of rescue is equipped can be implemented to the large-distance expansion.

The technical scheme adopted by the utility model is that conical spiral translation type expansion rescue equipment comprises a machine body, two tong bodies, a rotating shaft, a shaft sleeve and a clutch, wherein a hydraulic motor is installed on the machine body, an output shaft of the hydraulic motor is connected with the rear end of the rotating shaft, a conical spiral cutting head is arranged at the front end of the rotating shaft, threads are arranged at the rear part of the rotating shaft, the two tong bodies are hinged with the machine body, the two tong bodies are symmetrically arranged about a threaded shaft, a tong mouth is arranged at the front end of the tong body, the diameter of the conical bottom of the conical spiral cutting head is larger than the width of the closed tong mouth, the conical spiral cutting head is positioned in front of the tong mouth, the end of a pull rod at the rear end of the tong body is hinged, the other end of the pull rod is hinged with the shaft sleeve, the shaft sleeve is sleeved on the threaded part of the rotating shaft, the clutch comprises a movable block, a pushing block and a clutch switch, the movable block is in threaded part of the rotating shaft, the pushing block is sleeved on the rotating shaft, grooves and lugs which are matched with each other end faces of the movable block, the.

In the conical spiral translation type expansion rescue equipment, the rotating shaft is provided with the driven bevel gear, the driven bevel gear is meshed with the driving bevel gear, the rotating shaft of the driving bevel gear extends out of the machine body, and the end part of the rotating shaft of the driving bevel gear is provided with the handle.

In the conical spiral translation type expansion rescue equipment, the conical spiral cutting head is an cone, the surface of the cone is provided with a spiral cutting edge, and a chip breaker groove is spirally cut from the top to the bottom of the cone.

In the conical spiral translation type expansion rescue equipment, the clamp body comprises a clamp mouth, a triangular long arm I and a triangular long arm II, the upper end face and the lower end face of the clamp mouth are respectively fixedly provided with triangular long arms I, the side face of the clamp mouth is fixedly provided with the triangular long arm II, the long arm I is hinged with the shaft sleeve through a pull rod I, the long arm II is hinged with the shaft sleeve through a pull rod II, and the pull rod I, the pull rod II and the shaft sleeve form parallelograms.

In the conical spiral translation type expansion rescue equipment, the side surface of the forceps nozzle is provided with the anti-skidding teeth.

In the conical spiral translation type expansion rescue equipment, the rear end of the spiral cutting head is provided with a connecting part with a hexagonal section; the front end of the rotating shaft is provided with a blind hole with a hexagonal section; the connecting part of the spiral cutting head is matched with the blind hole at the front end of the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses during the use, at first by level expansion taper spiral cutting head promptly during crowded need expanded narrow and small gap, make narrow and small gap expand can stretch into the great clearance of expansion thickness of keeping silent, then the second grade expansion is vice mouth promptly by oneself follow-up in the clearance that has enlarged, again the work operating device of second grade expansion is the movable block of clutch promptly with pass from the piece meshing, make it restrict the movable block and rotate, force the axial removal of pusher dog, drive the pull rod pulling pincers body through the axle sleeve, drive the vice mouth and expand.

Therefore, the utility model solves the problem that the existing expander can not extend into the expander to expand under the condition of narrow gap or no gap and can slide along with the gradual expansion of the expansion distance by additionally arranging the threaded shaft, the conical spiral cutting head and the translational expansion clamp body in the expander, and can achieve the purpose of safely and quickly saving injured people; the utility model discloses simple structure still has, convenient operation's advantage.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a structural view of the sleeve of the present invention.

Fig. 3 is an installation diagram of the clutch and the shaft sleeve on the rotating shaft of the present invention.

Fig. 4 is a partial schematic view of the conical helical cutting head of fig. 1.

Fig. 5 is a partial structural view of the torque transmission device of fig. 1 with the fuselage disassembled.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, the utility model discloses a fuselage 9, two pincers bodies 6, pivot 12, axle sleeve 15 and clutch 7, the fuselage 9 on install hydraulic motor 1, the rear end of pivot 12 is connected to the output shaft of hydraulic motor 1, the front end of pivot 12 is equipped with toper spiral cutting head 4. as shown in figure 4, toper spiral cutting head 4 is cone, the side of cone is processed there is spiral cutting edge 41, be equipped with from the top to the bottom of cone and cut off chip groove 42 spirally, spiral angle chip removal is more smooth, spiral cutting head 4 rear end department is equipped with the connecting portion 43 that the cross-section is the hexagon, the front end of pivot 12 is equipped with the blind hole that the cross-section is the hexagon, the connecting portion 43 of spiral cutting head 4 and the blind hole cooperation of pivot 12 front end, pivot 12 on be equipped with driven bevel gear 13, driven bevel gear 13 meshes with drive bevel gear 14, the pivot of drive bevel gear 14 stretches out, the tip of the pivot of drive bevel gear 14 pivot is equipped with handle 11, torque input can carry out through hydraulic motor stepless, also can drive bevel gear 14 rotation, and then rise through driven bevel gear 13, the pivot 12 and the manual work is rotatory expansion is carried out under the.

The rear portion of the rotating shaft 12 is provided with threads, the two tong bodies 6 are hinged with the machine body, the two tong bodies 6 are symmetrically arranged about the threaded shaft, each tong body 6 comprises a tong mouth 5, a triangular long arm I2 and a triangular long arm II 3, the upper end face and the lower end face of each tong mouth 5 are respectively fixedly provided with the triangular long arm I2, the side face of each tong mouth 5 is fixedly provided with the triangular long arm II 3, the long arm I2 is hinged with a shaft sleeve through a pull rod I3, the long arm II 2 is hinged with the shaft sleeve through a pull rod II 3, the pull rod I2, the pull rod II 3 and the shaft sleeve form parallelograms, the diameter of the cone bottom of the cone-shaped spiral cutting head 4 is larger than the width of the closed tong mouths 5 and is positioned in front of the tong mouths 5, and anti-slip teeth are arranged on the side face of the tong mouths 5, so that the cone-shaped spiral cutting head can be better.

The axle sleeve suit in the screw thread portion on the pivot 12, clutch 7 include movable block 71, pass piece 72 and clutch switch 73, the screw thread portion spiro union on movable block 71 and the pivot 12, pass the piece 72 suit in the pivot 12, be equipped with the recess and the lug of mutually supporting on the relative terminal surface of movable block 71 and pass piece 72, clutch switch 73 be column structure, fixed mounting is in the side of passing piece 72, clutch switch 73 inlays the dress in the L shape spout 91 in the middle of fuselage 9.

The utility model discloses during operation, at first, clutch 7's clutch switch 73 is located the bottom transverse groove of the L shape spout 8 of fuselage 9, therefore, the movable block 71 and the piece 72 that pass of clutch 7 on the pivot 12 are the detached state, input torque linkage pivot 12, pivot 12 drives taper spiral cutting head 4 and extrudes gradually (or assaults) in narrow gap under the effect of additional input torque and axial force and self tapping, narrow gap is gradually expanded into great clearance by the cone along with the increase of extrusion depth, then, pull into L shape spout 8's axial slot part with clutch 7's clutch switch 73, input torque directly links pivot 12, clutch 7's movable block 71 and the piece 72 that cup joints on the pivot 12 combine, because clutch 7 of tooth embedded type activity clutch gets into the axial slot part in the spout 8 and is blocked, make clutch 7's movable block 71 can not rotate along with the pivot, but only can axial displacement under the screw partial effect of pivot 12, namely convert rotatory torque into axial displacement, through pull rod I2, pull rod II 3 moves, make the jaw 355 that the body is fixed with the fixed jaw body is the expansion.

When no external input torque is applied, the hand handle 11 can drive the driving bevel gear 14 to rotate, and further the driven bevel gear 13 can drive the rotating shaft 12 to rotate, and the conical spiral cutting head 4 performs rotary expansion operation under the axial push of manpower.

The working principle is briefly described as follows:

when needs expansion little gap, hydraulic motor 1 or crank handle 11 drive pivot 12 and rotate, spiral cutting head 4 spiral conical head carries out rotatory expansion operation under the axial promotion of manpower, spiral cutting head 4 spiral conical head precession fixed positions, the expansion pincers are followed in the taper hole, next need the expander to continue the expansion, pivot 12 major axis continues to rotate, the cover promotes the axle sleeve motion at pivot 12 major axis's clutch 7, the axle sleeve slider passes through pull rod I2, two body of pincers 6 motions of II 3 stimulations of pull rod, this moment the utility model discloses expand the operation, the utility model discloses support and break the obstacle object, the open in-process of body of pincers 6, the utility model discloses a body of pincers 6 is unchangeable perpendicularly with the angle of the expanded object, the utility model discloses a body of pincers 6 just can be straight with by the expanded object keep vertical static, reduce the possibility of expander slippage, improve the safety and stability of expander.

Claims

The tapered spiral translation type expansion rescue equipment is characterized by comprising a machine body, two clamp bodies, a rotating shaft, a shaft sleeve and a clutch, wherein a hydraulic motor is mounted on the machine body, an output shaft of the hydraulic motor is connected with the rear end of the rotating shaft, a tapered spiral cutting head is arranged at the front end of the rotating shaft, threads are arranged at the rear part of the rotating shaft, the two clamp bodies are hinged with the machine body and symmetrically arranged around a threaded shaft, clamp nipples are arranged at the front ends of the clamp bodies, the diameter of the conical spiral cutting head is larger than the width of the closed clamp nipples and is positioned in front of the clamp nipples, a end of a pull rod at the rear end of each clamp body is hinged, the other end of the pull rod is hinged with the shaft sleeve, the shaft sleeve is sleeved on the threaded part of the rotating shaft, the clutch comprises a movable block, a pushing block and a clutch switch, the movable block is in threaded connection with the threaded part of the rotating shaft, the pushing block is sleeved on the rotating shaft, grooves and lugs which are matched with each other are arranged on the opposite end faces of the movable block and the pushing block, the clutch switch.
2. The conical spiral translating expanding rescue aid of claim 1, further comprising: the rotating shaft is provided with a driven bevel gear, the driven bevel gear is meshed with the driving bevel gear, the rotating shaft of the driving bevel gear extends out of the machine body, and the end part of the rotating shaft of the driving bevel gear is provided with a handle.
3. The conical spiral translational type expansion rescue equipment as claimed in claim 1, wherein the conical spiral cutting head is cones, the surfaces of the cones are processed with spiral cutting edges, and chip breaking grooves are spirally cut from the top to the bottom of the cones.
4. The conical spiral translation type expansion rescue equipment as claimed in claim 1, wherein the clamp body comprises a clamp mouth, a triangular long arm I and a triangular long arm II, the upper end face and the lower end face of the clamp mouth are respectively fixedly provided with triangular long arms I, the side face of the clamp mouth is fixedly provided with triangular long arms II, the long arms I are hinged with a shaft sleeve through a pull rod I, the long arms II are hinged with the shaft sleeve through a pull rod II, and the pull rod I, the pull rod II and the shaft sleeve form parallelograms.
5. The conical spiral translating expanding rescue aid of claim 1, further comprising: the side surface of the clamp mouth is provided with anti-slip teeth.
6. The conical spiral translating expanding rescue aid of claim 1, further comprising: the rear end of the spiral cutting head is provided with a connecting part with a hexagonal section; the front end of the rotating shaft is provided with a blind hole with a hexagonal section; the connecting part of the spiral cutting head is matched with the blind hole at the front end of the rotating shaft.