CN220223235U - Hoisting clamp for semitrailer production - Google Patents

Abstract

The utility model relates to the technical field of hoisting, in particular to a hoisting fixture for semitrailer production, which adopts a locking mechanism to lock a hoisting tool, so that the stability of clamping a hoisting member is improved, the member falling accident is avoided, and the hoisting safety is improved; the lifting device comprises a lifting frame, a lifting ring assembly and two lifting arms, wherein the lifting ring assembly and the two lifting arms are arranged on the lifting frame; the lifting device comprises a lifting ring component, and is characterized by further comprising two lifting rods, two sliding blocks, four supporting rods, four bolts and two locking strips, wherein the middle parts of the two lifting rods are rotationally connected with the middle parts of the two lifting arms, the upper parts of the two lifting rods are rotationally connected with the two sliding blocks, the two sliding blocks are respectively and slidably mounted on the two lifting arms, the four supporting rods are equally divided into two groups, the inner ends of the two supporting rods in each group are rotationally mounted on the two sliding blocks, the outer ends of the four supporting rods are respectively and rotationally connected with the four bolts, the four bolts are respectively and slidably inserted on two sides of the two lifting arms, the two locking strips are respectively mounted on the left side and the right side of the lifting ring component and are provided with a plurality of positioning holes, and the four bolts are respectively aligned with the positioning holes.

Description

Hoisting clamp for semitrailer production

Technical Field

The utility model relates to the technical field of hoisting, in particular to a hoisting fixture for semi-trailer production.

Background

The semitrailer has large volume and weight, so the length of the main stress beam and the auxiliary stress beam in the chassis structure of the semitrailer is long, and the weight is large, so the semitrailer is required to be lifted and installed by using the lifting equipment.

The utility model provides a hoist fixture for semitrailer production among the prior art, for example, the hoist fixture for semitrailer production that chinese utility model patent of patent number "ZL202121173556.2" proposed, this hoist fixture passes through the layer board setting on elastic mechanism, in the promotion in-process to the promotion thing needs, the layer board can lock fast in the bottom of promotion thing, form quick centre gripping locking effect, set up in the slide through the rings, the slide can drive rings and carry out the regulation of position, thereby form the regulation to the water level of rings, do benefit to and reach the equilibrium point, guarantee the equilibrium of rings in the promotion process.

But this hoist and mount fixture only adopts the spring to carry out elastic support to the backup pad, lacks locking structure, because above-mentioned fixture just can compress the spring through pulling the pull handle moreover, therefore the elastic support dynamics of spring is less, appears easily to hanging the unstable condition of piece centre gripping to lead to falling a accident.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the hoisting fixture for the semi-trailer production, which adopts the locking mechanism to lock the lifting appliance, improves the stability of clamping the lifting part, avoids part falling accidents and improves the hoisting safety.

The hoisting fixture for semitrailer production comprises a hanging bracket, a hanging ring assembly and two hanging arms, wherein the hanging ring assembly is arranged on the hanging bracket, a chute is arranged at the lower part of the hanging bracket, a cavity is arranged at the middle part of the hanging bracket, the chute is communicated with the cavity, and the upper parts of the two hanging arms pass through the chute and are slidably arranged in the cavity; the lifting device comprises a lifting ring component, and is characterized by further comprising two lifting rods, two sliding blocks, four supporting rods, four bolts and two locking strips, wherein the middle parts of the two lifting rods are respectively connected with the middle parts of the two lifting arms in a rotating way through brackets; when the lifting device is used for lifting, the lifting ring assembly is transversely arranged above the lifting piece, the two lifting arms are pushed to move towards the lifting piece and are hooked on the lower end face of the lifting piece, meanwhile, the lower ends of the two lifting rods are extruded by the lifting piece, so that the upper ends of the two lifting rods are inwards pulled by the two sliding blocks, the inner ends of the two groups of lifting rods are respectively pulled by the two sliding blocks to move, the two lifting rods in each group of lifting rods are stretched and unfolded, the outer ends of the four lifting rods are respectively pushed to outwards extend, the four lifting pins are respectively inserted into the positioning holes of the two locking strips, the two lifting arms are locked by the four lifting pins, the clamping stability of the lifting piece is improved, the falling accident is avoided, and the lifting safety is improved.

Preferably, the edges of the positioning holes of the two locking strips are provided with chamfers for the guide bolts; through setting up the chamfer at a plurality of locating hole edges of two locking strips, make things convenient for guide bolt cartridge to the locating hole in, improve the reliability of cartridge.

Preferably, the lifting arm further comprises two lock pins and two first springs, wherein the two lock pins are respectively inserted on the two sliding blocks in a sliding manner, the first springs are respectively sleeved on the two lock pins, the first springs pull the two lock pins downwards, locking holes are formed in the two lifting arms, and after the bolts are inserted into the positioning holes of the locking strips, the two lock pins are respectively inserted into the locking holes of the two lifting arms; through the arrangement, after the two bolts are respectively inserted into the positioning holes of the two locking strips, the two bolts are respectively inserted into the locking holes on the two suspension arms under the pulling of the elastic force of the first springs, so that the two sliding blocks are locked, the two bolts are prevented from falling out of the positioning holes of the two locking strips, and the locking reliability is improved.

Preferably, the lifting device further comprises two torsion springs, wherein the two torsion springs elastically connect the two deflector rods with the two suspension arms, and the lower ends of the two deflector rods are pushed to the inner sides of the two suspension arms by the elasticity of the two torsion springs; when the two suspension arms are separated from the hanging piece by the elasticity of the two torsion springs, the lower ends of the two deflector rods push the inner sides of the two suspension arms, and the two sliding blocks drive the two groups of support rods and the four bolts to reset, so that the operation convenience is improved.

Preferably, the device further comprises four sliding brackets, wherein sliding grooves are formed in two sides of the two sliding blocks, the four sliding brackets are respectively arranged on the left side and the right side of the upper part of the two suspension arms, and the two sliding brackets are respectively connected with the sliding grooves of the two sliding blocks in a sliding manner; the four sliding brackets conduct sliding guide on the two sliding blocks, so that the two sliding blocks are connected with the two suspension arms more stably, and sliding is smooth.

Preferably, the lifting frame further comprises a sliding rod and a second spring, wherein the sliding rod is arranged in the cavity of the lifting frame, at least one sliding rod is arranged on the sliding rod, the upper parts of the two suspension arms are in sliding connection with the sliding rod, the second springs are sleeved on the sliding rods, two ends of the second springs are respectively connected with two suspension arms and two sides of the cavity of the lifting frame, and the second springs elastically support the two suspension arms; the sliding rod slides and guides the two suspension arms, and the plurality of springs II elastically support the two suspension arms, so that the plurality of suspension arms rapidly clamp the suspension part, the technology is mature, and the practicability is good.

Preferably, the lifting frame further comprises an adjusting groove and a plurality of adjusting holes, the top of the lifting frame is provided with the adjusting groove, the lifting ring assembly is slidably arranged in the adjusting groove, the adjusting groove is uniformly provided with the plurality of adjusting holes, and the plurality of adjusting holes are matched with the lifting ring assembly; and the lifting ring assembly is moved along the adjusting groove, so that the lifting ring assembly is matched and aligned with the corresponding adjusting groove, and the lifting frame is kept balanced and stable during lifting.

Compared with the prior art, the utility model has the beneficial effects that: when the lifting device is used for lifting, the lifting ring assembly is transversely arranged above the lifting piece, the two lifting arms are pushed to move towards the lifting piece and are hooked on the lower end face of the lifting piece, meanwhile, the lower ends of the two lifting rods are extruded by the lifting piece, so that the upper ends of the two lifting rods are inwards pulled by the two sliding blocks, the inner ends of the two groups of lifting rods are respectively pulled by the two sliding blocks to move, the two lifting rods in each group of lifting rods are stretched and unfolded, the outer ends of the four lifting rods are respectively pushed to outwards extend, the four lifting pins are respectively inserted into the positioning holes of the two locking strips, the two lifting arms are locked by the four lifting pins, the clamping stability of the lifting piece is improved, the falling accident is avoided, and the lifting safety is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the front cross-section of the present utility model;

FIG. 3 is a schematic illustration of the construction of a boom, stick, slider, brace, latch, and locking bar;

FIG. 4 is a schematic top view of a boom, stick, slider, brace, latch, and locking bar configuration;

FIG. 5 is a schematic illustration of an exploded view of the boom, stick, slider, brace, latch, etc. structure;

the reference numerals in the drawings: 1. a hanging bracket; 2. a lifting ring assembly; 3. a suspension arm; 4. a deflector rod; 5. a slide block; 6. a brace rod; 7. a plug pin; 8. a locking bar; 9. a locking pin; 10. a first spring; 11. a torsion spring; 12. a sliding support; 13. a slide bar; 14. a second spring; 15. an adjustment tank; 16. and adjusting the hole.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

As shown in fig. 1 and 2, the hoisting fixture for semitrailer production comprises a hanging bracket 1, a hanging ring assembly 2 and two hanging arms 3, wherein the hanging ring assembly 2 is arranged on the hanging bracket 1, a chute is arranged at the lower part of the hanging bracket 1, a cavity is arranged at the middle part of the hanging bracket 1, the chute is communicated with the cavity, and the upper parts of the two hanging arms 3 pass through the chute and are slidably arranged in the cavity; the lifting device comprises a lifting ring assembly 2, and is characterized by further comprising two lifting rods 4, two sliding blocks 5, four supporting rods 6, four bolts 7 and two locking strips 8, wherein the middle parts of the two lifting rods 4 are respectively and rotatably connected with the middle parts of the two lifting arms 3 through brackets, the upper parts of the two lifting rods 4 are rotatably connected with the inner ends of the two sliding blocks 5, the two sliding blocks 5 are respectively and slidably arranged on the upper parts of the two lifting arms 3, the four supporting rods 6 are equally divided into two groups, the inner ends of the two supporting rods 6 in each group are respectively and rotatably arranged at the outer ends of the two sliding blocks 5 through rotating shafts, the outer ends of the four supporting rods 6 are respectively and rotatably connected with the inner ends of the four bolts 7, the four bolts 7 are respectively and slidably inserted at two sides of the upper parts of the two lifting arms 3, the two locking strips 8 are respectively arranged at the left side and the right side of the lifting ring assembly 2, the two locking strips 8 are respectively provided with a plurality of positioning holes in a matrix, and the outer ends of the four bolts 7 are respectively aligned with the positioning holes; the edges of the positioning holes of the two locking strips 8 are provided with chamfers for the guide pins 7.

When the lifting device is used for lifting, the lifting ring assembly 2 is transversely arranged above the lifting part, the two lifting arms 3 are pushed to move towards the lifting part and are hooked on the lower end face of the lifting part, meanwhile, the lower ends of the two lifting rods 4 are extruded by the lifting part, so that the upper ends of the two lifting rods 4 are inwards pulled by the two sliding blocks 5, the inner ends of the two groups of the supporting rods 6 are respectively pulled by the two sliding blocks 5 to move, the two supporting rods 6 in each group of the supporting rods 6 are stretched and unfolded, the outer ends of the four supporting rods 6 are respectively pushed to outwards extend, the four bolts 7 are respectively inserted into the positioning holes of the two locking strips 8, the two lifting arms 3 are locked by the four bolts 7, the clamping stability of the lifting part is improved, the falling part accident is avoided, the lifting safety is improved, the guide bolts 7 are conveniently inserted into the positioning holes by chamfering edges of the positioning holes, and the reliability of the insertion is improved.

As shown in fig. 3 and 5, the lifting device further comprises two torsion springs 11, wherein the two torsion springs 11 elastically connect the two deflector rods 4 with the two suspension arms 3, and the lower ends of the two deflector rods 4 are pushed to the inner sides of the two suspension arms 3 by the elastic force of the two torsion springs 11; the four sliding brackets 12 are arranged on two sides of the two sliding blocks 5, the four sliding brackets 12 are respectively arranged on the left side and the right side of the upper part of the two suspension arms 3, and the two sliding brackets 12 are respectively in sliding connection with the sliding grooves of the two sliding blocks 5.

When the two suspension arms 3 are separated from the suspension parts by the elasticity of the two torsion springs 11, the lower ends of the two deflector rods 4 push the inner sides of the two suspension arms 3, the two sliding blocks 5 drive the two groups of support rods 6 and the four bolts 7 to reset, the operation convenience is improved, the four sliding brackets 12 slide and guide the two sliding blocks 5, and the two sliding blocks 5 are connected with the two suspension arms 3 more stably and smoothly.

As shown in fig. 2, 3 and 4, the hanger further comprises a slide bar 13 and a second spring 14, wherein the slide bar 13 is arranged in the cavity of the hanger 1, at least one slide bar 13 is arranged on the slide bar 13, the upper parts of the two suspension arms 3 are in sliding connection with the slide bar 13, the second springs 14 are sleeved on the slide bars 13, two ends of the second springs 14 are respectively connected with two suspension arms 3 and two sides of the cavity of the hanger 1, and the second springs 14 elastically support the two suspension arms 3; still include adjustment tank 15 and a plurality of adjustment hole 16, the top of gallows 1 sets up adjustment tank 15, rings subassembly 2 slidable mounting in adjustment tank 15, evenly sets up a plurality of adjustment holes 16 in the adjustment tank 15, a plurality of adjustment holes 16 match with rings subassembly 2.

The slide bar 13 carries out sliding guide to two davits 3, and a plurality of second spring 14 carry out elastic support to two davits 3 for a plurality of davits 3 press from both sides fast tight hanging piece, remove rings subassembly 2 along adjustment tank 15, make rings subassembly 2 and corresponding adjustment tank 15 match and align, thereby make gallows 1 keep balanced stable when hoist and mount.

As shown in fig. 1 to 5, when the lifting fixture for semitrailer production of the present utility model is in operation, firstly, the lifting ring component 2 is transversely placed above the lifting member, the two lifting arms 3 are pulled outwards to compress the springs two 14, the two lifting arms 3 are respectively placed on two sides of the lifting member, the two lifting arms 3 are released, the elastic force of the two springs two 14 pushes the two lifting arms 3 to move towards the lifting member along the sliding rod 13 and hook on the lower end surface of the lifting member, then the lower ends of the two lifting rods 4 are extruded by the lifting member, so that the upper ends of the two lifting rods 4 pull the two sliding blocks 5 inwards, then the two sliding blocks 5 pull the inner ends of the two groups of the two supporting rods 6 respectively, so that the two supporting rods 6 in each group of the supporting rods 6 stretch and stretch, the outer ends of the four supporting rods 6 respectively push the four pins 7 to extend outwards, the four pins 7 are respectively inserted into the positioning holes of the two locking strips 8, the four pins 7 lock the two lifting arms 3, and finally the two locking pins 9 are respectively inserted into the two locking holes 3 under the elastic force of the two springs 10, so that the two lifting arms 5 can be locked.

The main functions realized by the utility model are as follows:

1. the lifting appliance is locked by adopting the locking mechanism, so that the clamping stability of the lifting appliance is improved, the accident of falling the lifting appliance is avoided, and the lifting safety is improved;

2. the balance of the hanging bracket can be adjusted;

3. the hanging clamp can be completed quickly.

The mounting mode, the connecting mode or the setting mode of the hoisting fixture for the semi-trailer production are common mechanical modes, and the hoisting fixture can be implemented as long as the beneficial effects can be achieved; the hanging ring component 2, the sliding bracket 12, the second spring 14, the torsion spring 11 and the first spring 10 of the hanging fixture for semi-trailer production are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached using instruction without creative labor of the person skilled in the art.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (7)

1. The hoisting fixture for semitrailer production comprises a hanging bracket (1), a hanging ring assembly (2) and two hanging arms (3), wherein the hanging ring assembly (2) is arranged on the hanging bracket (1), a sliding groove is formed in the lower portion of the hanging bracket (1), a cavity is formed in the middle of the hanging bracket (1), the sliding groove is communicated with the cavity, and the upper portions of the two hanging arms (3) penetrate through the sliding groove and are slidably arranged in the cavity; the lifting device is characterized by further comprising two deflector rods (4), two sliding blocks (5), four supporting rods (6), four bolts (7) and two locking strips (8), wherein the middle parts of the two deflector rods (4) are respectively connected with the middle parts of the two lifting arms (3) in a rotating mode through brackets, the upper parts of the two deflector rods (4) are respectively connected with the inner ends of the two sliding blocks (5) in a rotating mode, the two sliding blocks (5) are respectively and slidably arranged on the upper parts of the two lifting arms (3), the four supporting rods (6) are evenly divided into two groups, the inner ends of the two supporting rods (6) in each group are respectively and rotatably arranged at the outer ends of the two sliding blocks (5) through rotating shafts, the outer ends of the four supporting rods (6) are respectively and rotatably connected with the inner ends of the four bolts (7), the four bolts (7) are respectively and slidably inserted on two sides of the upper parts of the two lifting arms (3), the two locking strips (8) are respectively arranged on the left side and the right side of the two lifting arms (2), the two locking strips (8) are respectively provided with a plurality of positioning holes in a matrix mode, and the outer ends of the four supporting rods (6) are respectively aligned with the positioning holes.

2. Hoisting clamp for semitrailer production as claimed in claim 1, characterized in that the edges of the positioning holes of both locking strips (8) are provided with chamfers for the guide pins (7).

3. Hoisting clamp for semitrailer production as claimed in claim 1, characterized in that it further comprises two locking pins (9) and two first springs (10), wherein the two locking pins (9) are respectively inserted on the two sliding blocks (5) in a sliding manner, the two first springs (10) are respectively sleeved on the two locking pins (9), the two locking pins (9) are pulled downwards by the two first springs (10), locking holes are formed in the two suspension arms (3), and after the locking pins (7) are inserted into the positioning holes of the locking strips (8), the two locking pins (9) are respectively inserted into the locking holes of the two suspension arms (3).

4. Hoisting clamp for semitrailer production as claimed in claim 1, characterized in that it further comprises two torsion springs (11), the two torsion springs (11) elastically connect the two levers (4) with the two booms (3), and the elasticity of the two torsion springs (11) pushes the lower ends of the two levers (4) towards the inner sides of the two booms (3).

5. Hoisting fixture for semi-trailer production as claimed in claim 1, characterized in that it further comprises four sliding brackets (12), both sides of the two sliding blocks (5) are provided with sliding grooves, the four sliding brackets (12) are respectively arranged on the left and right sides of the upper parts of the two suspension arms (3), and the two sliding brackets (12) are respectively in sliding connection with the sliding grooves of the two sliding blocks (5).

6. The hoisting fixture for semitrailer production as claimed in claim 1, further comprising a slide bar (13) and a second spring (14), wherein the slide bar (13) is installed in the cavity of the hanger (1), the slide bar (13) is provided with at least one, the upper parts of the two hanging arms (3) are in sliding connection with the slide bar (13), the second springs (14) are sleeved on the slide bars (13), two ends of the second springs (14) are respectively connected with the two hanging arms (3) and two sides of the cavity of the hanger (1), and the second springs (14) elastically support the two hanging arms (3).

7. The hoisting fixture for semitrailer production as claimed in claim 1, further comprising an adjusting groove (15) and a plurality of adjusting holes (16), wherein the adjusting groove (15) is arranged at the top of the hanger (1), the hanging ring assembly (2) is slidably mounted in the adjusting groove (15), the adjusting grooves (15) are uniformly provided with the plurality of adjusting holes (16), and the plurality of adjusting holes (16) are matched with the hanging ring assembly (2).