CN210604137U

CN210604137U - Device for impact load test

Info

Publication number: CN210604137U
Application number: CN201921054821.8U
Authority: CN
Inventors: 张俊发; 高亮; 刘维维; 孙永振
Original assignee: Xian University of Technology
Current assignee: Xian University of Technology
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-05-22
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a device for impact load test, including main handle and supplementary handle, the main handle includes a rings, the rings inboard is provided with first recess, the outside that rings are close to first recess is connected with anti-S type component, anti-S type component includes a semiellipse component, the one end and the rings of semiellipse component are connected, the other end is connected with a semicircle component, the length of side of semiellipse component is greater than the length of side of semiellipse component, supplementary handle is S type component, S type component forms closed "8" style of calligraphy structure with anti-S type component, the main handle is connected as the center pin rotation with the junction of supplementary handle with semiellipse type component and semicircle component, be provided with the same second recess with the corresponding position of first recess on the supplementary handle, the gravity bayonet lock has been cup jointed on first recess and the second recess, the top of gravity bayonet lock is provided with first through-hole. The utility model discloses a detacher device structure, easy operation, it is with low costs, can realize the perpendicular free fall of ground control high altitude heavy object.

Description

Device for impact load test

Technical Field

The utility model belongs to the technical field of structural engineering, a device for impact load test is related to.

Background

In an impact load test, a heavy hammer is often required to be lifted to a high place through an electric hoist, a heavy object is automatically separated from a lifting hook and vertically falls under the condition of not being influenced by other factors such as wind load and the like, an automatic unhooking device in the traditional engineering application mostly adopts mechanical power or electromagnetic control, the dependence is strong, the structure and the operation are complex, the influence factors are more, and the control of the single high-altitude unhooking device on the ground is difficult to realize.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device for impact load test has solved the structure that exists among the prior art and has operated complicacy, can't realize the problem at the perpendicular free fall of ground control high altitude heavy object.

The utility model adopts the technical scheme that, a device for impact load test, including main handle and supplementary handle, the main handle includes a rings, the rings inboard is provided with first recess, the outside that rings are close to first recess is connected with an anti-S type component, anti-S type component includes a semiellipse component, the one end and the rings of semiellipse component are connected, the other end is connected with a semicircle component, the length of side of semiellipse component is greater than the length of side of semicircle component, supplementary handle is S type component, S type component forms closed "8" style of calligraphy structure with anti-S type component, the main handle is connected as the center pin rotation with the junction of auxiliary handle use semiellipse type component and semicircle component, the position corresponding with first recess on the supplementary handle is provided with the second recess the same with first recess, the bayonet lock has been cup jointed on first recess and the second recess gravity, the gravity bayonet lock includes two steel sheet, the gravity bayonet lock, The steel block is fixedly connected between the two steel plates, the cross rod is connected between the two steel plates and can be opened and closed, and a first through hole is formed in the top of the gravity bayonet lock.

The utility model discloses a characteristics still lie in:

the auxiliary handle is arranged between the two main handles, and the two main handles are fixedly connected through a fixing piece.

The fixing piece is of a hollow structure.

The connection part of the semi-elliptic component and the semi-circular component of the main handle is provided with a second through hole, a fourth through hole is arranged at the position, corresponding to the second through hole, of the auxiliary handle, and the second through hole is connected with the fourth through hole through a central pin shaft.

The main handle, the auxiliary handle and the gravity bayonet are all made of steel.

The utility model has the advantages that: the utility model relates to a device for impact load test, structure and easy operation through the fixed pulley that is fixed in the eminence of the rope on detacher device top and the gravity bayonet lock that will be fixed in, can realize lifting by crane and the high altitude whereabouts of ground control heavy object.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus for impact load testing according to the present invention;

FIG. 2 is a schematic structural view of a main handle of the device for impact load test of the present invention;

FIG. 3 is a schematic structural view of an auxiliary handle of the device for impact load test of the present invention;

fig. 4 is a schematic structural diagram of a side view of the gravity bayonet lock of the device for an impact load test.

In the figure, 1, a main handle, 2, an auxiliary handle, 3, a fixing piece, 4, a gravity bayonet lock, 5, a first groove, 6, a second groove, 7, a first through hole, 8, a second through hole and 9, a fourth through hole are arranged.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to a device for impact load test, as shown in figure 1-4, comprising a main handle 1 and an auxiliary handle 2, wherein the main handle 1 comprises a hanging ring, the hanging ring is a hollow oval steel plate, the inner side of the hanging ring is provided with a first groove 5, the outer side of the hanging ring near the first groove 5 is connected with an inverse S-shaped steel plate, the inverse S-shaped steel plate is formed by connecting a hollow semi-oval steel plate and a hollow semi-circular steel plate, one end of the semi-oval steel plate is connected with the hanging ring, the other end is connected with the semi-circular steel plate, the auxiliary handle is an S-shaped steel plate, the S-shaped component and the inverse S-shaped component form a closed 8-shaped structure, the main handle 1 is provided with two, the completely coincident symmetry is arranged at the two sides of the auxiliary handle 2 and is rotationally connected with the auxiliary handle 2 by taking the joint of the semi-oval component and the semi-circular component as a central axis, the two main handles 1 are connected through a third through hole by a hollow fixing piece 3, the hollow fixing piece 3 consists of a hollow cylindrical structure and a hollow clamping plate, the hollow clamping plate is connected with two ends of the hollow cylindrical structure in a threaded manner, a part, which is not connected with the auxiliary handle 2, between the two main handles 1 is provided with a cushion block for stabilization through the joint of the hollow fixing piece 3, a second groove 6 which is the same as the first groove 5 is arranged at the position, corresponding to the first groove 5, on the auxiliary handle 2, a square gravity clamping pin 4 is sleeved on the first groove 5 and the second groove 6, the gravity clamping pin 4 comprises two oval steel plates, a steel block fixed between the two oval steel plates and a cross rod which can be opened and closed and is arranged between the two oval steel plates, the cross rod is fixedly connected with one of the two steel plates and is in a buckled connection with the other steel plate, and the distance from one side of the steel block, which is close, the top of gravity bayonet lock 4 still is provided with first through-hole 7, and the arc length of semiellipse steel sheet is greater than the arc length of semicircle steel sheet.

Preferably, a second through hole 8 is formed in the joint of the semi-elliptical steel plate of the main handle 1 and the semi-circular steel plate, a fourth through hole 9 is formed in the auxiliary handle 2 corresponding to the second through hole 8, and the second through hole 8 and the fourth through hole 9 are connected through a central pin shaft.

Preferably, a second through hole 8 is formed in the joint of the semi-elliptical steel plate of the main handle 1 and the semi-circular steel plate, and a protruding shaft matched with the second through hole 8 is arranged on the auxiliary handle 2 in a position corresponding to the second through hole 8.

The utility model relates to a main part's effect is as follows respectively in device for impact load test:

a: the gravity bayonet lock has the functions that when the detacher device of the utility model needs to lift a heavy object, the steel block of the gravity bayonet lock is clamped on the first groove and the second groove, the cross rod is closed, so that the main handle and the auxiliary handle form a whole and can not rotate, when a heavy object needs to be put down, the rope connected with the first through hole on the gravity bayonet lock is pulled, so that the steel block of the gravity bayonet lock is separated from the first groove and the second groove, the side length of the semi-elliptical steel plate on the auxiliary handle is larger than that of the semi-circular steel plate, so that the gravity of the semi-elliptical steel plate is greater than that of the semi-circular steel plate, the auxiliary handle rotates relative to the main handle, the joint of the main handle and the auxiliary handle is separated, the heavy object falls down, the gravity bayonet lock is sleeved on the first groove and the second groove, so that the gravity bayonet lock is not easy to lose, and the gravity bayonet lock can be replaced by opening the cross rod when needing to be replaced;

b; the second through hole and the fourth through hole that the junction of the semiellipse component of main handle and auxiliary handle and semicircle component set up to through the central pin hub connection, perhaps the semiellipse component of main handle and semicircle component's junction is provided with the second through hole, and the position that corresponds with the second through hole on the auxiliary handle is provided with the protruding axle with second through hole looks adaptation, makes when needs release heavy object, takes off behind the gravity bayonet lock, thereby the auxiliary handle takes place to rotate for the main handle and makes the bottom junction part separate and release the heavy object.

The utility model relates to a device for impact load test, its working process as follows:

1. the early preparation stage: one end of a rope penetrates through and is fixed on a first through hole on a gravity clamping pin, the other end of the rope penetrates through a fixed pulley fixed on a high-altitude tower frame and is vertically communicated to the ground, two ropes are respectively bound on symmetrical hollow fixing pieces on the left side and the right side of a main handle lifting ring, the four ropes are used for preventing a lifted heavy object from shifting and swinging under the action of external force such as wind power, a steel wire rope is connected to the top of a main handle, and the other end of the steel wire rope is connected with an electric lifting machine;

2. a hoisting stage: when the utility model discloses a detacher device is close ground position, mentions gravity bayonet lock, and main handle and supplementary handle part under the action of gravity hang the annular rope that is connected with the heavy object in the bottommost ring structure of main handle and supplementary handle to with the steel billet card income first recess and the second recess of gravity bayonet lock, can lift by crane work. Through the control switch, the electric crane begins to work, the unhooking device with the weight slowly rises, and simultaneously, four ropes bound on the main handle can be pulled by four people standing at four corners of the main handle far away from the falling center of the weight or the four ropes keep the weight balanced under the action of other external forces.

3. A falling stage: when the weight is kept balanced and stable under the control of the four ropes and reaches a designated high position, the ropes fixed on the first through holes on the gravity clamping pins are pulled on the ground, so that the steel blocks of the gravity clamping pins leave the first grooves and the second grooves, the auxiliary handle rotates relative to the main handle under the action of gravity, the circular ring structures at the bottom ends of the main handle and the auxiliary handle are separated, and the weight can fall freely.

The utility model relates to a device for impact load test, its advantage lies in: the utility model relates to a device for impact load test simple structure, it is low with low in production cost to make, convenient operation, when needs lift by crane the heavy object, with gravity bayonet lock joint in first recess and second recess, when needs release the heavy object, pull open the gravity bayonet lock, supplementary handle rotates, the heavy object can free fall.

Claims

1. The device for the impact load test is characterized by comprising a main handle (1) and an auxiliary handle (2), wherein the main handle (1) comprises a lifting ring, a first groove (5) is formed in the inner side of the lifting ring, an inverse S-shaped component is connected to the outer side, close to the first groove (5), of the lifting ring, the inverse S-shaped component comprises a semi-elliptical component, one end of the semi-elliptical component is connected with the lifting ring, the other end of the semi-elliptical component is connected with a semi-circular component, the length of the semi-elliptical component is larger than that of the semi-circular component, the auxiliary handle (2) is an S-shaped component, the S-shaped component and the inverse S-shaped component form a closed 8-shaped structure, the main handle (1) and the auxiliary handle (2) are rotatably connected by taking the joint of the semi-elliptical component and the semi-circular component as a central axis, a second groove (6) which is identical to the first groove (5) is formed in the position, corresponding to the first groove (5), on the, the gravity bayonet lock (4) is sleeved on the first groove (5) and the second groove (6), the gravity bayonet lock (4) comprises two steel plates, a steel block fixedly connected between the two steel plates and a cross rod connected between the two steel plates, and a first through hole (7) is formed in the top of the gravity bayonet lock (4).

2. A device for impact load testing according to claim 1, characterized in that there are two main shanks (1), the auxiliary shank (2) is arranged between the two main shanks (1), and the two main shanks (1) are fixedly connected by a fixing member (3).

3. A device for impact load testing according to claim 2, characterized in that the fixing member (3) is of hollow structure.

4. A device for impact load test according to claim 2, characterized in that the semi-elliptic component of the main handle (1) is provided with a second through hole (8) at the connection with the semicircular component, the auxiliary handle (2) is provided with a fourth through hole (9) at the position corresponding to the second through hole (8), and the second through hole (8) and the fourth through hole (9) are connected through a central pin shaft.

5. The device for the impact load test is characterized in that the main handle (1), the auxiliary handle (2) and the gravity clamp pin (4) are all made of steel materials according to the claim 1.