CN108341328B - A lifting hoop device with adjustable diameter - Google Patents

Abstract

The invention discloses a lifting and hugging hoop device with adjustable diameter, comprising a hoop half ring A, a hoop half ring B, a lifting fixture A, a lifting fixture B, a ball sliding rail mechanism and a ratchet stop mechanism; The half rings are connected by hinges, and the diameter of the whole lifting hoop device is changed through the cooperation of the ratchet mechanism and the ratchet stop mechanism, which is suitable for lifting parts of various specifications; the lifting hoop device is locked by the lifting clamp and the lifting part. After adjustment, adjust the position of the hoisting fixture through the ball slide mechanism; when in use, simply connect the hoisting fixture A on the hoop half-ring A to the hoisting piece, and then push the ratchet end of the hoop half-ring B until the The diameter is suitable for the hoisting piece, and finally the hoisting fixture B and the hoisting piece are locked; the locking button in the ratchet stop mechanism can release the ratchet on the half ring B of the hoop when pressed; the present invention can be adapted to various specifications of hoisting The whole device is safe, reliable and easy to operate.

Description

A lifting hoop device with adjustable diameter

technical field

The invention relates to the field of hoisting equipment fixtures, in particular to a hoisting hoop device with adjustable diameters for multi-specification hoisting parts.

In the daily production environment, the transfer of materials and equipment exceeding a certain weight and size usually requires the use of hoisting equipment, but the traditional hoisting equipment is cumbersome to operate, and it is necessary to frequently replace different types of equipment or workpieces when hoisting equipment or workpieces of different specifications and sizes. Clamps have many problems, such as poor versatility and inconvenience when lifting objects with high heights.

Therefore, it is necessary to design a hoisting fixture that can adapt to a variety of hoisting parts, and has convenient installation and removal operations, as well as a safe and reliable hoisting fixture.

SUMMARY OF THE INVENTION

In order to achieve the above purpose, the present invention provides a hoisting hoop device with an adjustable diameter, which can adapt to a variety of hoisting parts, and is convenient, safe and reliable to operate.

The technical scheme adopted in the present invention is:

A diameter-adjustable hoisting hoop device includes a hoisting hoop main body, a hoisting clamp, and a ball slide rail mechanism; the hoisting hoop main body includes a hoop half-ring A and a hoop half-ring B, and the hoop half-ring A is set. There is a ratchet stop mechanism, and the half ring B of the hoop is provided with a ratchet rack. By changing the length of the ratchet rack and the size of the teeth, the change range and accuracy of the hoop diameter can be adjusted. Lock the hoop diameter; one end of the hoop half ring A is connected with the hoop half ring B through a hinge, and the other end adjusts the hoop diameter through the cooperation of the ratchet rack and the ratchet stopper mechanism; the lifting fixture includes a lifting fixture A and a lifting fixture B , the ball slide mechanism is used to adjust the relative position of the lifting fixture A and the lifting fixture B; the ratchet stop mechanism is provided with a locking button, and the ratchet rack can be locked and released by pressing the locking button.

The half ring A of the hoop is provided with a hinge hole A and two lifting lugs separated by 180 degrees, and the half ring A of the hoop is provided with a lower ball groove A and an arc groove A. For installing balls, the arc-shaped groove is used to install the lifting fixture. The upper wall of the circular arc-shaped groove is provided with through holes with fixed distances, which cooperate with the bolts to fix the lifting fixture. The half ring A of the hoop is provided with a ratchet groove and The ratchet stop mechanism mounting frame is used to install the ratchet stop mechanism; the hoop half ring B is provided with a hinge hole B corresponding to the hoop half ring A, a lower ball groove B and Arc-shaped groove B.

The lifting fixture is divided into a front end and a rear end. The front end is provided with a circular arc notch and an upper ball groove at the bottom. The upper and lower walls of the circular arc notch are provided with threaded holes with fixed spacing. The upper ball groove and the lower ball groove A, B is used to coordinate with the ball to adjust the relative position of the lifting fixture. The tail of the lifting fixture is matched with the arc-shaped grooves A and B on the half rings A and B of the hoop, and the threaded holes on the upper wall of the tail are used to lock the lifting fixture. The relative position of the fixture.

The ball slide mechanism includes a cage, balls and two ball grooves. The balls are fixed in the cage. The cage is installed with the lower ball grooves A and B on the half rings A and B of the hoop. The upper ball grooves on the lifting fixture cooperate to form a ball slide mechanism.

The ratchet stop mechanism includes a compression spring, a stop wheel, a locking button, and a stop mechanism mounting frame on the hoop half ring A. The stop mechanism mounting frame is composed of a central shaft and a square step, and the compression spring is installed. On the central shaft, the stop wheel is provided with a central hole and a limit slot matched with the square step. The limit slot ensures that the stop wheel will not rotate. The locking button is provided with a center hole and a stop slot for installation. When the locking button is on the top, the locking wheel is in the middle, and the compression spring is on the bottom, when the compression spring is in a relaxed state, the locking wheel restricts the one-way movement of the ratchet rack. When the locking button is pressed, the position of the locking wheel moves down. The ratchet rack can move in both directions.

The beneficial effects of the present invention are: through the cooperation of the ratchet rack and the ratchet stop mechanism, the diameter of the hoop device can be adjusted conveniently and quickly, and after the diameter is adjusted, the relative position of the hoisting fixture can be adjusted to ensure that the clamping positions are relatively close to each other. Symmetrical, the hoop adopts the structure of two half-rings, which is convenient for clamping and disassembling of high-height equipment, and can rotate the hoisting piece in the hoisting state to adjust the installation position of the hoisting piece.

Description of drawings

Fig. 1 is a kind of structural schematic diagram when the diameter-adjustable lifting hoop device of the present invention is in the closed state;

Fig. 2 is a kind of structural schematic diagram when the diameter-adjustable lifting hoop device of the present invention is in the open state;

Fig. 3 is an exploded view of the diameter-adjustable lifting hoop device of the present invention;

Fig. 4 is the exploded view of the ratchet stop mechanism of the diameter-adjustable lifting hoop device of the present invention;

5 is a cross-sectional view of the cooperation between the lifting fixture and the ball slide rail of the diameter-adjustable lifting hoop device of the present invention.

In the figure, 1. Hoop half ring A; 2. Hoop half ring B; 3. Lifting fixture A; 4. Lifting fixture B; 5. Lock button; 6. Lifting ring; 7. Pin shaft; 8. Compression spring ; 9, stop wheel; 10, ball; 11, cage.

Detailed ways

The invention provides a hoisting hoop device with an adjustable diameter, which achieves the purpose of adapting to hoisting parts of various specifications, being convenient for installation and disassembly, and capable of adjusting the relative position of the hoisting parts.

The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention, so as to better understand the present invention.

Referring to Figures 1-5, a diameter-adjustable lifting hoop device of the present invention includes a lifting hoop body, a lifting clamp, a ball slide rail mechanism and a ratchet stop mechanism.

The main body of the lifting hoop includes a hoop half ring A1 and a hoop half ring B2. The hoop half ring A1 is provided with a ratchet stop mechanism, and the hoop half ring B2 is provided with a ratchet rack. By changing the length and The size of the teeth adjusts the changing range and accuracy of the hoop diameter, and the hoop diameter is locked through the cooperation of the ratchet rack and the ratchet stopper mechanism;

One end of the hoop half ring A1 is connected with the hoop half ring B2 through a hinge, and the other end adjusts the diameter of the hoop through the cooperation of the ratchet rack and the ratchet stop mechanism; the lifting fixture includes a lifting fixture A3 and a lifting fixture B4. The rail mechanism is used to adjust the relative positions of the lifting fixture A3 and the lifting fixture B4; the ratchet stop mechanism is provided with a locking button 5, and the locking and release of the ratchet rack can be realized by pressing the locking button.

The said hoop half ring A1 is provided with a hinge hole A and two lifting lugs separated by 180 degrees. When installing the ball 10, the arc-shaped groove is used to install the lifting fixture. The upper wall of the circular arc-shaped groove is provided with through holes with fixed distances, which cooperate with the bolts to fix the lifting fixture. The half ring A1 of the hoop is provided with a ratchet groove. and the ratchet stop mechanism mounting frame is used to install the ratchet stop mechanism; the hoop half ring B is provided with a hinge hole B, a lower ball groove B and a circular arc groove B corresponding to the hoop half ring A.

The lifting fixture is divided into a front end and a rear end. The front end is provided with a circular arc notch and an upper ball groove at the bottom. The upper and lower walls of the circular arc notch are provided with threaded holes with fixed spacing. The upper ball groove and the lower ball groove A, B is used to coordinate with the ball 10 to adjust the relative position of the lifting fixture, the tail of the lifting fixture is matched with the arc-shaped grooves A and B on the half rings A and B of the hoop, and the threaded holes on the upper wall of the tail are used for locking The relative position of the lifting fixture.

The ball slide mechanism includes a cage, balls 10 and two ball grooves. The balls are fixed in the cage 11. The cage is installed with the lower ball grooves A and B on the half rings A and B of the hoop. The upper part cooperates with the upper ball groove on the lifting fixture to form a ball sliding rail mechanism.

The ratchet stop mechanism includes a compression spring 8, a stop wheel 9, a locking button 5 and a stop mechanism mounting frame on the hoop half ring A1, and the stop mechanism mounting frame is composed of a central axis and a square step, The compression spring 8 is installed on the central shaft, the stopper wheel is provided with a center hole and a limit slot matched with the square step, the limit slot ensures that the stopper wheel will not rotate, and the lock button 5 is provided with a center hole and When installing, the locking button is on the top, the locking wheel is in the middle, and the compression spring is on the bottom. When the compression spring 8 is in a relaxed state, the locking wheel restricts the one-way movement of the ratchet rack. When the locking button 5 is pressed , the position of the stop wheel moves down, and the ratchet rack can move in both directions.

The diameter-adjustable lifting hoop device provided by the present invention only needs to install the hoop half ring A1, the lifting fixture A3, the ball 10 and the cage 11 first, and then fasten the lifting fixture and the lifting piece. Then keep the locking button 5 in the pop-up state, insert the ratchet rack on the hoop half ring B2 into the ratchet groove on the hoop half ring A1 until it adapts to the diameter of the lifting piece, and finally put the hoop half ring B2 on the ratchet groove. The lifting fixture B4 is fastened with the lifting piece to complete the clamping process. When disassembling, first loosen the lifting fixture and press the locking button 5 to pull out the ratchet rack.

The above is the preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, several improvements can be made, and these improvements also belong to the protection scope of the present invention. .

Claims (5)

1. a kind of adjustable lifting anchor ear device of diameter, it is characterised in that: including lifting by crane anchor ear main body, hoisting fixture, ball Sliding track mechanism；The lifting anchor ear main body includes anchor ear semi-ring A (1) and anchor ear semi-ring B(2), anchor ear semi-ring A(1) it is equipped with ratchet Stop mechanism, anchor ear semi-ring B(2) it is equipped with ratchet rack gear, it is straight by the length of change ratchet rack gear and the big minor adjustment anchor ear of tooth Diameter variation range and variation precision, lock anchor ear diameter by the cooperation of ratchet rack gear and ratchet stop mechanism；Anchor ear semi-ring A (1) one end is connect by hinge with anchor ear semi-ring B(2), and the other end passes through the cooperation tune of ratchet rack gear and ratchet stop mechanism Whole anchor ear diameter；Hoisting fixture includes hoisting fixture A(3), hoisting fixture B(4), the ball slide rail mechanism is for having adjusted Sling and jig A(3), hoisting fixture B(4) relative position；The ratchet stop mechanism is equipped with locking button (5), is pressed by locking The locking and release of ratchet rack gear are realized in the pressing of button.

2. the adjustable lifting anchor ear device of diameter according to claim 1, it is characterised in that: the anchor ear semi-ring A (1) it is separated by the lifting lug of 180 degree, the anchor ear semi-ring A(1 equipped with a hinge hole A and two) it is equipped with lower ball grooves A, circle Arc groove A, ball grooves are for installing ball (10), and for installing hoisting fixture, circular groove upper wall is set circular groove Have the through-hole of constant spacing, cooperate fixed hoisting fixture, the anchor ear semi-ring A(1 with bolt) it is equipped with ratchet slot and ratchet stop Motivation structure mounting rack, the ratchet stop mechanism mounting rack is for installing ratchet stop mechanism；The anchor ear semi-ring B be equipped with The corresponding hinge hole B of anchor ear semi-ring A, lower ball grooves B and circular groove B.

3. the adjustable lifting anchor ear device of diameter according to claim 1, it is characterised in that: the hoisting fixture is divided into Front end and tail portion, front end are equipped with the upper ball grooves of arc-shaped notch and bottom, and wall is designed with constant spacing to arc-shaped notch up and down Threaded hole, upper ball grooves and lower ball grooves A, B are used for and ball (10) cooperation adjusts the relative position of hoisting fixture, described The tail portion of hoisting fixture and circular groove A, B on anchor ear semi-ring A, B cooperate, and the threaded hole of tail portion upper wall is for locking lifting The relative position of fixture.

4. the adjustable lifting anchor ear device of diameter according to claim 1, it is characterised in that: the ball slide rail mechanism Including retainer, ball (10) and two ball grooves, the ball is fixed in retainer (11), retainer and anchor ear semi-ring A, Lower ball grooves A, B on B are coupled, and the upper ball grooves on ball top and hoisting fixture cooperate, and form ball slide rail mechanism.

5. the adjustable lifting anchor ear device of diameter according to claim 1, it is characterised in that: the ratchet stop mechanism Including compressed spring (8), stopping wheel (9), locking button (5) and anchor ear semi-ring A(1) on stop mechanism mounting rack, it is described stop Motivation structure mounting rack is made of a central axis and a rectangular step, and compressed spring (8) installs the stop on center shaft Wheel is equipped with centre bore and the limiting slot with the cooperation of rectangular step, and limiting slot guarantees that stopping wheel not can rotate, the locking button (5) it is equipped with centre bore and locking groove, locking button is upper when installation, and stopping wheel is in, and compressed spring is under, the compression bullet When spring (8) is in relaxed state, stopping wheel limits the one-way movement of ratchet rack gear, when the locking button (5) is pressed, stopping wheel position It sets and moves down, ratchet rack gear can way moving.