CN215249335U - Hoister with folding fork frame - Google Patents

Abstract

The utility model relates to a lifting machine of folding crotch, which comprises a bracket, hydraulic lifting device and promotion seat, hydraulic lifting device sets up in the support bottom, it goes up and down in support and hydraulic lifting device's drive to promote the seat along vertical movement, it is provided with the crotch with the hopper forked to promote seat the place ahead, the crotch rear is provided with the articulated arm that constitutes the vertical upset of crotch with promotion seat hinge cooperation, the articulated arm is located the opposite side of the relative crotch of articulated position as spacing cooperation part, the crotch has the operating condition of putting down and the idle state of upwards overturning, it is provided with the stopper that offsets with spacing cooperation part when the crotch puts down to promote the seat to be located spacing cooperation part top. With the adoption of the scheme, the utility model provides an avoid hindering staff's walking, be convenient for clear up the lifting machine of the folding crotch on road surface.

Description

Hoister with folding fork frame

Technical Field

The utility model relates to a lifting machine field, concretely relates to lifting machine of folding crotch.

Background

The elevator is a device for elevating the hopper to a designated position of the device, and generally comprises a support, a hydraulic elevating device and an elevating seat, wherein the hydraulic elevating device is arranged at the bottom of the support, the elevating seat vertically moves on the support and is driven by the hydraulic elevating device to ascend and descend, and a fork frame for forking the hopper is arranged in front of the elevating seat.

In order to facilitate the matching of the elevator and the designated equipment, the elevator does not move after being installed in place, so that after the hopper is taken down from the fork frame, the fork frame can be blocked on a road for workers to walk, and the road surface below the fork frame is difficult to clean while walking is hindered.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide an avoid hindering the staff walking, be convenient for clear up the lifting machine of the folding crotch on road surface.

In order to achieve the above purpose, the utility model provides a following technical scheme: including support, hydraulic lifting device and promotion seat, hydraulic lifting device set up in the support bottom, the promotion seat along vertical movement in support and hydraulic lifting device's drive down go up and down, promotion seat the place ahead be provided with the crotch of hopper fork, its characterized in that: the fork frame is characterized in that a hinged arm which is hinged and matched with the lifting seat to form the vertical turnover of the fork frame is arranged behind the fork frame, the hinged arm is positioned at the other side of the hinged position relative to the fork frame and serves as a limiting matching part, the fork frame is in a horizontal working state and an upward turnover idle state, and a limiting block which is abutted against the limiting matching part when the fork frame is horizontally arranged is arranged above the limiting matching part of the lifting seat.

Through adopting above-mentioned technical scheme, the crotch is articulated cooperation with promoting the seat, can upwards overturn the crotch when idle, avoids hindering staff's walking, is convenient for clear up the road surface, resumes the state of putting flatly during the use again, in addition, sets up the stopper, makes the crotch can stably keep the operating condition who puts flatly.

The utility model discloses further set up to: when the fork frame is in an idle state, the hinged arm abuts against the front end of the limiting block, the fork frame inclines towards the support, two sides of the lifting seat above the lifting seat are respectively provided with a locking arm extending forwards, the other end of the lifting seat opposite to the locking arm is provided with a screw rod, and the screw rod is limited at the bottom of the fork frame in the idle state.

Through adopting above-mentioned technical scheme, idle state's crotch is to support slope, and it stably keeps to be convenient for to lock through the screw rod, overturn forward because of the mistake touches when avoiding idle state, reduce the potential safety hazard, in addition, the stopper plays operating condition and idle state's spacing simultaneously, and the structure is more retrencied.

The utility model discloses further set up to: the stopper transversely runs through and is provided with the helping hand cushion chamber, the helping hand cushion chamber in be provided with the T shape buffer block of vertical slip, helping hand cushion chamber bottom be provided with the buffering mouth, T shape buffer block below extend to the buffering mouth outside as the part that stopper and spacing cooperation part offset, T shape buffer block top be provided with the dashpot, the chamber wall of dashpot and helping hand cushion chamber between vertical and the compression be provided with buffer spring, T shape buffer block below be provided with the rubber layer that offsets with spacing cooperation part.

Through adopting above-mentioned technical scheme, the in-process is placed to the hopper, spacing cooperation part upwards overturns and offsets the back with T shape buffer block, compress buffer spring gradually and form the cushion effect, reduce the impact with the stopper in the time of slowing down, reduce noise and increase of service life, the hopper lifts the in-process, buffer spring gives the crotch helping hand, it lifts up the hopper to change in, insert from the stopper side after the helping hand cushion chamber that transversely runs through makes T shape buffer block and buffer spring combination, it is more simple and convenient to assemble.

The utility model discloses further set up to: the front end of the limiting block is covered with a rubber cap on the part abutting against the hinged arm.

Through adopting above-mentioned technical scheme, add the rubber cap, reduce the wearing and tearing between stopper front end and the articulated arm, reduce noise and increase of service life.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure of the lift seat and fork in an embodiment of the present invention;

fig. 3 is an enlarged view of a in fig. 2.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-3, the utility model discloses a lifting machine of folding fork frame, including a support 1, a hydraulic lifting device 2 and a lifting seat 3, a chassis 11 is arranged under the support 1, the hydraulic lifting device 2 is arranged at the bottom of the support 1, the lifting seat 3 is vertically moved under the support 1 and driven by the hydraulic lifting device 2 to lift, a fork frame 4 for forking the hopper is arranged in front of the lifting seat 3, a hinged arm 41 which is hinged with the lifting seat 3 to form the vertical turning of the fork frame 4 is arranged at the rear of the fork frame 4, the hinged arm 41 is arranged at the hinged position and is used as a limit matching part 411 relative to the other side of the fork frame 4, the fork frame 4 has a flat working state and an upward turning idle state, a limit block 31 which is abutted against the limit matching part 411 when the fork frame 4 is horizontally arranged above the limit matching part 411 of the lifting seat 3, the fork frame 4 is hinged with the lifting seat 3, can be with crotch 4 upwards upset when idle, avoid hindering the staff walking, be convenient for clear up the road surface, resume the flat operating condition of putting again during the use, in addition, add stopper 31, make crotch 4 can stably keep the operating condition who puts.

Articulated arm 41 offsets with stopper 31 front end when crotch 4 is in idle state, crotch 4 inclines to support 1, the both sides that promote seat 3 to be located the top are provided with forward extension's locking arm 32 respectively, the other end of the promotion seat 3 that locking arm 32 is relative is provided with screw rod 321, screw rod 321 is spacing in the bottom of crotch 4 that is in idle state, crotch 4 of idle state inclines to support 1, be convenient for its steady maintenance, and lock through screw rod 321, overturn forward because of the mistake is touched when avoiding idle state, reduce the potential safety hazard, furthermore, stopper 31 plays operating condition and idle state's spacing simultaneously, the structure is more retrencied.

The limiting block 31 is transversely provided with a power-assisted buffer cavity 311 in a penetrating manner, a T-shaped buffer block 312 which slides vertically is arranged in the power-assisted buffer cavity 311, a buffer opening 313 is arranged at the bottom of the power-assisted buffer cavity 311, the lower part of the T-shaped buffer block 312 extends out of the buffer opening 313 to serve as a part which is abutted against a limit matching part 411, a buffer groove 314 is arranged above the T-shaped buffer block 312, a buffer spring 315 is vertically and compressively arranged between the buffer groove 314 and the cavity wall of the power-assisted buffer cavity 311, a rubber layer 317 which is abutted against the limit matching part 411 is arranged below the T-shaped buffer block 312, the buffer spring 315 is gradually compressed to form buffer force after the limit matching part 411 is turned upwards and abutted against the T-shaped buffer block 312 in the hopper placing process, the impact with the limiting block 31 is reduced while the speed is reduced, the noise is reduced, the service life is prolonged, and the buffer spring 315 provides the power assistance for the fork frame 4 in the hopper lifting process, the hopper is easier to lift, the transversely-penetrating power-assisted buffer cavity 311 enables the T-shaped buffer block 312 and the buffer spring 315 to be combined and then inserted from the side face of the limiting block 31, and the assembly is simpler and more convenient.

The rubber cap 316 is covered on the part where the front end of the limiting block 31 abuts against the hinge arm 41, and the rubber cap 316 is additionally arranged, so that the abrasion between the front end of the limiting block 31 and the hinge arm 41 is reduced, the noise is reduced, and the service life is prolonged.

Claims (4)

1. The utility model provides a lifting machine of folding crotch, includes support, hydraulic lifting device and promotes the seat, hydraulic lifting device set up in the support bottom, promote the seat along vertical removal in support and hydraulic lifting device's drive lift down, promote seat the place ahead be provided with the crotch of having the hopper to fork, its characterized in that: the fork frame is characterized in that a hinged arm which is hinged and matched with the lifting seat to form the vertical turnover of the fork frame is arranged behind the fork frame, the hinged arm is positioned at the other side of the hinged position relative to the fork frame and serves as a limiting matching part, the fork frame is in a horizontal working state and an upward turnover idle state, and a limiting block which is abutted against the limiting matching part when the fork frame is horizontally arranged is arranged above the limiting matching part of the lifting seat.

2. The hoist for a folding fork carriage as claimed in claim 1, wherein: when the fork frame is in an idle state, the hinged arm abuts against the front end of the limiting block, the fork frame inclines towards the support, two sides of the lifting seat above the lifting seat are respectively provided with a locking arm extending forwards, the other end of the lifting seat opposite to the locking arm is provided with a screw rod, and the screw rod is limited at the bottom of the fork frame in the idle state.

3. The hoist for a folding fork carriage as claimed in claim 2, wherein: the stopper transversely runs through and is provided with the helping hand cushion chamber, the helping hand cushion chamber in be provided with the T shape buffer block of vertical slip, helping hand cushion chamber bottom be provided with the buffering mouth, T shape buffer block below extend to the buffering mouth outside as the part that stopper and spacing cooperation part offset, T shape buffer block top be provided with the dashpot, the chamber wall of dashpot and helping hand cushion chamber between vertical and the compression be provided with buffer spring, T shape buffer block below be provided with the rubber layer that offsets with spacing cooperation part.

4. The hoist for a folding fork carriage as claimed in claim 2, wherein: the front end of the limiting block is covered with a rubber cap on the part abutting against the hinged arm.

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