CN216583803U - Semi-axis lifting clamp - Google Patents

Abstract

The utility model discloses a half shaft hoisting clamp, wherein an outer support arm and an inner support arm are respectively arranged at two sides of a flange plate, a hook is lifted upwards, one end where the hook is arranged is moved upwards, a moment is generated between a chuck plate device and the flange plate in the upward moving process, the flange plate is arranged at one end of a half shaft, when the flange plate is lifted upwards, the other end of the flange plate generates the moment, the chuck plate device generates the moment in the opposite direction, and the flange plate is clamped; because the length of the outer supporting arm is larger than that of the inner supporting arm, the outer supporting arm is in contact with the outer surface of the flange plate, and the inner supporting arm is in contact with the inner surface of the flange plate, so that the stability of supporting the flange plate is ensured. The half shaft hoisting clamp disclosed by the utility model does not need to be aligned to the middle part of the flange plate during hoisting, and the tightness does not need to be adjusted according to the size of the half shaft, so that half shafts with different sizes can be conveniently and flexibly matched, and the half shaft can be hoisted more conveniently.

Description

Semi-axis lifting clamp

Technical Field

The utility model relates to the field of hoisting equipment, in particular to a half shaft hoisting clamp.

Background

In the process of semi-axis production, need shift the semi-axis and place different stations and do corresponding processing operation, need adopt the centre gripping frock of hoist and mount, as shown in fig. 1, for current semi-axis stone tongs, it adopts the clamping jaw structure, and the gripping is at the cylinder section of semi-axis during the closure, connects hoisting accessory and upwards lifts by crane the semi-axis.

The traditional clamping jaw type tool is provided with a support rod 01, clamping jaws 02 and a lifting hook 03, wherein the lifting hook is connected with lifting equipment, two groups of clamping jaws are arranged on the support rod, and before lifting, the clamping jaws surround the middle part of a half shaft, so that the clamping jaw type tool is prevented from inclining after being lifted; the conventional clamping jaw needs to be manually controlled to be loosened and loosened before operation so as to be matched with half shafts of different sizes.

Traditional clamping jaw structure is complicated, and the operation process is comparatively loaded down with trivial details, and need press from both sides the dress at the middle part of semi-axis, guarantees to keep vertical collineation between focus and the hoisting point.

For those skilled in the art, how to lift the half shaft more conveniently is a technical problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a half shaft hoisting clamp, which can flexibly and conveniently realize hoisting of a half shaft by hoisting the half shaft in a mode of clamping a flange plate, and the specific scheme is as follows:

a half shaft hoisting clamp comprises a balance pipe, a chuck device and a hook, wherein the chuck device and the hook are respectively fixedly assembled on the balance pipe, and a distance capable of generating torque exists between the chuck device and the hook;

the chuck device comprises outer support arms and inner support arms which are perpendicular to the balance pipe, and a distance for accommodating a flange of a half shaft is reserved between the outer support arms and the inner support arms along the length direction of the balance pipe;

the length of outer support arm is greater than the length of interior support arm, outer support arm is used for contacting the surface of ring flange, interior support arm is used for contacting the internal surface of ring flange.

Optionally, one end of the balance pipe, which is provided with the hook, is provided with a balancing weight.

Optionally, the balance pipe is a square steel pipe with a rectangular cross section.

Optionally, the hook is fixedly arranged on the counterweight.

Optionally, the balancing weight and the balancing pipe are fixedly connected through a fastening bolt.

Optionally, the balancing pipe is provided with a plurality of groups of positioning holes along the length direction, and the fastening bolt can be inserted into different positioning holes so as to adjust the position of the balancing weight.

Optionally, a pressing block protrudes from the side of the outer support arm.

Optionally, the inner supporting arm is a stepped block, and the cross-sectional dimension of the balance tube gradually decreases from the end connected with the balance tube to the end far away from the balance tube.

Optionally, the length of the balance pipe is 1/3-1/2 of the length of the half shaft.

The utility model provides a half-shaft hoisting clamp.A chuck device and a hook are respectively fixedly assembled on a balance pipe and are respectively positioned near two different ends of the balance pipe; when the chuck device is used, the outer support arms and the inner support arms are respectively arranged at two sides of the flange plate and lift the hook upwards, so that one end of the hook is moved upwards, and moment is generated between the chuck device and the flange plate in the upward moving process; because the length of outer support arm is greater than the length of interior support arm, outer support arm contact the surface of ring flange, interior support arm contact the internal surface of ring flange, guarantee to the stability of ring flange support. The half shaft hoisting clamp disclosed by the utility model does not need to be aligned to the middle part of the flange plate during hoisting, does not need to be adjusted in tightness according to the size of the half shaft, and can be conveniently and flexibly matched with half shafts with different sizes, so that the half shaft is hoisted more conveniently.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 shows a conventional half-axle lifting clamp;

FIG. 2 is a schematic view of the half-axle lifting clamp of the present invention mated with a half-axle.

The figure includes:

balance pipe 1, chuck device 2, outer support arm 21, top pressure piece 211, inner support arm 22, couple 3, balancing weight 4, fastening bolt 5.

Detailed Description

The core of the utility model is to provide a half shaft hoisting clamp, which can flexibly and conveniently hoist the half shaft by clamping the flange plate.

In order to make the technical solution of the present invention better understood by those skilled in the art, the half-axle lifting clamp of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 2, a schematic view of the half-axle lifting clamp and the half-axle provided by the present invention is shown, wherein a represents a main body portion of the half-axle and B represents a flange. The half shaft hoisting clamp comprises a balance pipe 1, a chuck device 2, a hook 3 and other structures, wherein the chuck device 2 and the hook 3 are respectively fixedly assembled on the balance pipe 1, and a distance capable of generating torque exists between the chuck device 2 and the hook 3; as shown in fig. 2, the chuck device 2 is located at the left end of the balance tube 1, the hook 3 is located at the right end of the balance tube 1, the chuck device 2 is located below the balance tube 1, and the hook 3 is located above the balance tube 1; the chuck device 2 is used for being matched with and clamping a flange plate, the hook 3 is used for being matched with and connected with the hoisting device, and the hook 3 preferably adopts an annular structure.

The chuck device 2 comprises outer support arms 21 and inner support arms 22 perpendicular to the balance tube 1, the length extension direction of both the support arms 21 and the inner support arms 22 being perpendicular to the axial direction of the balance tube 1. The distance between the flange plates used for accommodating the half shafts exists between the outer support arms 21 and the inner support arms 22 along the length direction of the balance pipe 1, namely, a certain distance exists between the outer support arms 21 and the inner support arms 22, the size of the distance is larger than the thickness of the flange plates, and the flange plates can be clamped into the distance, so that a certain margin exists.

The length of the outer support arms 21 is greater than the length of the inner support arms 22, the outer support arms 21 are used for contacting the outer surface of the flange, the inner support arms 22 are used for contacting the inner surface of the flange, the outer surface is the side close to the far end of the half shaft, the inner surface is the side close to the middle of the half shaft, the left side surface of the flange in fig. 2 is the outer surface, and the right side surface is the inner surface.

In the use state, the balance pipe 1, the chuck device 2 and the hook 3 are kept relatively fixed, the outer support arm 21 and the inner support arm 22 are respectively positioned at two sides of the flange plate, upward pulling force is applied to the hook 3 through hoisting equipment, the hook 3 forms moment to the flange plate, the half shaft forms reverse moment under the action of self gravity, so that the chuck device 2 and the flange plate are matched and clamped with each other, the flange plate is clamped by the moment generated by the half shaft, the middle position of the half shaft does not need to be aligned in the clamping process, the tightness degree does not need to be adjusted, half shafts with different sizes can be matched conveniently and flexibly, and the half shaft is hoisted more conveniently.

On the basis of the scheme, one end of the balance pipe 1 provided with the hook 3 is provided with the balancing weight 4, the balancing weight 4 has certain weight and plays a role of balancing weight, and the two ends of the balance pipe 1 are kept balanced in the hoisting process.

Specifically, the balance pipe 1 is a square steel pipe with a rectangular section, and the upper surface of the square steel pipe is a plane, so that the balance weight block 4 and other structures can be conveniently assembled and connected.

Furthermore, the hook 3 of the utility model is fixedly arranged on the balancing weight 4, the hook 3 is indirectly connected with the balancing pipe 1 through the balancing weight 4, the balancing weight 4 and the hook 3 can be fixed into a whole by adopting a welding mode, and the assembly operation is simplified.

Preferably, the balancing weight 4 and the balancing pipe 1 are fixedly connected through the fastening bolt 5, the balancing weight 4 and the balancing pipe 1 can be detached and separated, different balancing weights can be replaced according to the size specification of the half shaft, and the application flexibility is improved.

Balance pipe 1 sets up a plurality of groups of locating holes along length direction, thereby fastening bolt 5 can cartridge adjust the position of balancing weight 4 in the locating hole of difference, combine fig. 2 to show, balancing weight 4 is through two at least bolted connection in balance pipe 1, the locating hole quantity on the balance pipe 1 is corresponding with fastening bolt 5, after balancing weight 4 adjusts to target in place, insert fastening bolt 5 correspondence to twist the bolt, thereby with balancing weight 4 and balance pipe 1 relatively fixed.

On the basis of any one of the above technical schemes and the mutual combination thereof, the utility model is provided with the top pressing block 211 protruding from the side of the outer supporting arm 21, and the top pressing block 211 protrudes from the right side of the outer supporting arm 21 to form a boss structure in combination with the illustration of fig. 2, and the whole outer supporting arm 21 forms a structure similar to an 'L' shape; when in use, the pressing block 211 is pressed against the outer surface of the flange, and the pressing block 211 is preferably pressed against the central position of the flange.

The inner supporting arm 22 is a step block, and the size of the cross section of the balance tube 1 is gradually reduced from the end connected with the balance tube 1 to the end far away from the balance tube 1; as shown in fig. 2, the size of the position above the inner support arm 22 connected to the balance pipe 1 is larger than the size of the position below the inner support arm, so that the structural strength of the inner support arm 22 can be improved, and the probability of damage can be reduced.

Preferably, the length of the balance tube 1 is 1/3-1/2 of the length of the half shaft, including two end points.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The half shaft hoisting clamp is characterized by comprising a balance pipe (1), a chuck device (2) and a hook (3), wherein the chuck device (2) and the hook (3) are respectively fixedly assembled on the balance pipe (1), and a distance capable of generating torque exists between the chuck device (2) and the hook (3);

the chuck device (2) comprises an outer support arm (21) and an inner support arm (22) which are perpendicular to the balance pipe (1), and a distance between the outer support arm (21) and the inner support arm (22) is reserved along the length direction of the balance pipe (1) for accommodating a flange of a half shaft;

the length of the outer support arm (21) is larger than that of the inner support arm (22), the outer support arm (21) is used for contacting the outer surface of the flange plate, and the inner support arm (22) is used for contacting the inner surface of the flange plate.

2. The half-axle lifting clamp according to claim 1, wherein a counterweight (4) is arranged at one end of the balance pipe (1) where the hook (3) is installed.

3. The half-axle lifting clamp according to claim 2, wherein the balance pipe (1) is a square steel pipe with a rectangular cross section.

4. The half-axle lifting clamp according to claim 3, wherein the hook (3) is fixedly arranged on the counterweight (4).

5. The half-axle lifting clamp according to claim 4, characterized in that the counterweight (4) and the balance pipe (1) are fixedly connected through a fastening bolt (5).

6. The half-shaft hoisting clamp according to claim 5, wherein the balance pipe (1) is provided with a plurality of groups of positioning holes along the length direction, and the fastening bolts (5) can be inserted into different positioning holes so as to adjust the position of the counterweight (4).

7. The half-shaft lifting clamp as claimed in any one of claims 1 to 6, wherein a top pressing block (211) is convexly provided on the side of the outer support arm (21).

8. The half-axle lifting clamp according to claim 7, wherein the inner supporting arm (22) is a stepped block, and the cross-sectional dimension of the balance pipe (1) gradually decreases from the end connected with the balance pipe (1) to the end far away from the balance pipe (1).

9. The half-axle lifting clamp according to claim 7, wherein the length of the balance pipe (1) is between 1/3 and 1/2 of the length of the half-axle.

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