CN213037265U

CN213037265U - Pipe hoisting clamp

Info

Publication number: CN213037265U
Application number: CN202020908522.2U
Authority: CN
Inventors: 刘晓飞; 王书仁; 周秋平
Original assignee: Pingdingshan Chenxiang Industry And Trade Co ltd
Current assignee: Pingdingshan Chenxiang Industry And Trade Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-04-23
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a pipe hoisting clamp, which comprises a pipe clamp assembly for grabbing pipes, wherein a fixed adjusting mechanism for controlling the size of a clamping opening of the pipe clamp assembly is arranged above the pipe clamp assembly, the adjusting and supporting mechanism comprises a left fixed block, a right fixed block, a hoisting block and a threaded lead screw, and the left fixed block and the right fixed block are matched and sleeved at the left end and the right end of the threaded lead screw; the utility model discloses simple structure, convenient to use consolidates the district size through rotating the screw lead screw adjustment, has realized stepless adjustment, makes this embodiment device be applicable to the tubular product of different diameter sizes, and application scope is wide, treats pipe clamp subassembly with the firm back of tubular product clamping, because be threaded connection between screw lead screw and the fixed block, so can not receive the heavy weight influence of tubular product to take place to rotate hoisting in-process screw lead screw to make the tubular product clamping more firm, use safelyr.

Description

Pipe hoisting clamp

Technical Field

The utility model belongs to the technical field of the tubular product hoist and mount, concretely relates to tubular product stone tongs.

Background

With the development of the building industry, pipes become necessary materials in building engineering, water supply pipes, drainage pipes, gas pipes, heating pipes, wire conduits, rainwater pipes and the like are commonly used, but some single bodies are heavy and cannot be carried by workers, so that hoisting machinery is required to hoist when the pipes are transported and used. The traditional pipe hoisting method is to hoist the pipe by using a nylon hoisting belt, but the pipe can shake in the hoisting process, so that sharp edges at two ends of the pipe are easy to damage the hoisting belt, the hoisting belt is broken, the hoisted pipe falls off from the hoisting belt, and a high-altitude falling event occurs, so that safety accidents are easy to cause.

The tool comprises a curved-surface pipe clamp, a right stress plate, a connecting rod, a fixing bolt, a ring buckle, a bolt rod, a left stress plate, a cross beam and a tightness control device, wherein the curved-surface pipe clamp is arranged below the cross beam and is in threaded connection with the tightness control device through screws, the tightness control device is arranged at the front and rear parts of the cross beam and is in threaded connection with the cross beam, the bolt rod penetrates through the upper ends of the right stress plate and the left stress plate, and the upper end of the right stress plate is movably connected with the upper end of the left stress plate through the bolt rod.

This patent has rational in infrastructure, simple to use's advantage, however this kind of fixture structure that is used for the frock of hoist and mount to use in this patent scheme is complicated, often can cause the frock pine to take off because of the relation of gravity when meetting heavier tubular product, takes place the eminence incident of falling.

Chinese patent document with publication number 'CN 110921492A' is searched and inquired, and discloses a hoisting clamp for metal pipes, which comprises a grabbing part for grabbing the front of the pipe and a clamping part for clamping the side of the pipe, wherein the grabbing part comprises a right pipe clamp, a left connecting piece, a right connecting piece, a lifting lug and a locking ruler; the left pipe clamp and the right pipe clamp are spirally connected through screws, and the locking ruler is clamped on the pin shaft for reinforcement; the clamping component comprises a positioning plate, a supporting plate and a baffle plate, and the middle part of the supporting plate is rotationally connected with the baffle plate through a bolt; the lower end of the supporting plate is movably connected with the upper end of the positioning plate through a connecting rod; the lower end of the supporting plate is in screw connection with the lower end of the positioning plate through a bolt.

This patent has rational in infrastructure, advantage simple to use, however, be used for evenly having seted up a plurality of U type notches on the locking chi with stretching mechanism locking in this patent scheme, the U type notch joint that will correspond when using forms locking device at the round pin epaxial of second axle, nevertheless because a plurality of U type notch is even interval setting, so can only realize hierarchical locking, thereby lead to locking device only to be applicable to the tubular product of fixed dimension scope, need to change the locking chi that corresponds or directly change the anchor clamps that correspond when hoisting other sizes of tubular product, it is inconvenient to use, application scope is little.

SUMMERY OF THE UTILITY MODEL

To defect and problem that current tubular product stone tongs exists, the utility model provides a tubular product stone tongs, this furniture simple structure, convenient to use alright with according to tubular product diameter size adjustment and mounting fixture open-ended size, application scope is wide to can mounting fixture open-ended size, thereby solved current tubular product anchor clamps and used inconvenient, can not hoist the problem of heavier tubular product.

The utility model provides a scheme that its technical problem adopted is: a pipe hoisting clamp comprises a pipe clamp assembly for grabbing a pipe, wherein a fixed adjusting mechanism for controlling the size of a clamping opening of the pipe clamp assembly is arranged above the pipe clamp assembly, the adjusting and supporting mechanism comprises a left fixed block, a right fixed block, a hoisting block and a threaded lead screw, the left fixed block and the right fixed block are sleeved at the left end and the right end of the threaded lead screw in a matching manner, and when the threaded lead screw rotates, the left fixed block and the right fixed block on the threaded lead screw can move oppositely or oppositely along the threaded lead screw; the hoisting blocks are arranged above the middle part of the threaded screw rod at intervals, hoisting rings are arranged at the upper ends of the hoisting blocks, and the hoisting blocks are respectively hinged and fixed with the left fixing block and the right fixing block through connecting rod sets; the pipe clamp assembly comprises a connecting block and a clamp assembly, the connecting block is arranged below the middle of the threaded screw rod at intervals, the clamp assembly comprises a left clamp and a right clamp which are matched, crossed and hinged to the connecting block, the top ends of the left clamp and the right clamp are hinged and fixed to the right fixing block and the left fixing block respectively, and a clamping area with an opening at the lower end is formed after the left clamp and the right clamp below the crossed position of the clamp assembly are combined.

The left fixing block, the right fixing block, the hoisting block and the connecting block are longitudinally arranged cylinders with the same length and size.

The middle parts of the left fixing block and the fixing block are transversely provided with threaded holes matched with the threaded screw rods, and the threaded directions of the threaded holes of the left fixing block and the threaded holes of the right fixing block are opposite.

The middle part of the threaded screw rod is fixedly sleeved with a vertically-arranged handle wheel, and a plurality of handles are uniformly fixed on the outer ring surface of the handle wheel at intervals along the circumference.

The middle part of the circumferential side surface of the upper end of the hoisting block is provided with a bolt hole along the radial direction and a hoisting ring.

The connecting rod group is including the left connecting rod and the right connecting rod that the symmetry set up, the top of left connecting rod and right connecting rod all is in the same place with hoist and mount piece articulated fixed, the tail end and the left fixed block of left connecting rod are in the same place articulated fixed, the tail end and the right fixed block of right connecting rod are in the same place articulated fixed.

The utility model has the advantages that: the utility model provides a tubular product stone tongs, simple structure, including the pipe clamp subassembly that is used for snatching tubular product, the top of pipe clamp subassembly is equipped with the fixed adjustment mechanism who is used for controlling pipe clamp subassembly clamp mouth size, adjust supporting mechanism and include left fixed block, right fixed block, hoist and mount piece and screw lead screw, left fixed block and right fixed block matching suit are at the both ends of controlling of screw lead screw, hoist and mount fast interval and set up in the middle part top of screw lead screw, the hoist and mount piece pass through the connecting rod group respectively with left fixed block and right fixed block articulated together fixed; the pipe clamp assembly comprises a connecting block and a clamp assembly, the connecting block is arranged below the middle of the threaded screw rod at intervals, the clamp assembly comprises a left clamp and a right clamp which are matched and hinged to the connecting block in a crossed mode, the top ends of the left clamp and the right clamp are hinged to a right fixing block and a left fixing block respectively, a clamping area with an opening at the lower end is formed after the left clamp and the right clamp below the crossed position of the clamp assembly are combined, the size of the clamping area can be adjusted according to the diameter of a pipe in use, the pipe clamp assembly is suitable for pipes of various sizes, the application range is wide, the use is convenient, the device cannot be loosened due to the weight of the pipe in the hoisting process, the clamping is firm, and the use is safer.

The utility model provides a pair of tubular product stone tongs, simple structure, high durability and convenient use, consolidate the district size through rotating the adjustment of screw thread lead screw, stepless adjustment has been realized, make this embodiment device be applicable to the tubular product of different diameter sizes, application scope is wide, treat that the pipe clamp subassembly is with the firm back of tubular product clamping, because be threaded connection between screw thread lead screw and the fixed block, so screw thread lead screw can not receive the influence of tubular product heavy weight to take place to rotate in hoist and mount in-process to make the tubular product clamping more firm, it is safer to use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the threaded screw rod and the fixing block of the present invention.

Fig. 3 is a schematic structural view of the handle wheel of the present invention.

Fig. 4 is a schematic view of the usage state of the present invention.

Reference numbers in the figures: 1 is fixed adjustment mechanism, 11 is left fixed block, 111 is first round pin axle, 12 is right fixed block, 121 is the second round pin axle, 13 is hoist and mount piece, 131 is the third round pin axle, 14 is the screw lead screw, 15 is left connecting rod, 16 is right connecting rod, 17 is the handle wheel, 171 is the handle, 2 is the connecting block, 21 is the fourth round pin axle, 3 is the folder group, 31 is left folder, 311 is left holding rod, 312 is left clamp foot, 313 is left connecting rod, 32 is right folder, 321 is right holding rod, 322 is right clamp foot, 323 is right connecting rod, 4 rings.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1

The embodiment provides a pipe hoisting clamp, as shown in fig. 1, which comprises a pipe clamp assembly for grabbing a pipe, a fixing and adjusting mechanism 1 for controlling the size of a clamping opening of the pipe clamp assembly is arranged above the pipe clamp assembly, the fixing and adjusting mechanism 1 comprises a left fixing block 11, a right fixing block 12, a hoisting block 13 and a transverse threaded screw rod 14, the left fixing block 11, the right fixing block 12 and the hoisting block 13 are all longitudinally arranged cylinders, the length and the size of the left fixing block 11, the length and the size of the right fixing block 12 and the length and the size of the hoisting block 13 are the same, a shaft hole is formed in each of the front end and the rear end of the left fixing block 11 along the axial direction inwards and a first pin shaft 111 of the fixing block protruding outwards is fixedly installed on each of the front end and the rear end of the right fixing block 12 along the axial direction inwards and a second pin shaft 121 of the fixing block protruding outwards is fixedly installed on each, specifically, the method comprises the following steps:

threaded holes matched with the threaded screw rods 14 are transversely formed in the middle of the left fixing block 11 and the right fixing block 12, the thread forming directions of the threaded holes of the left fixing block 11 and the right fixing block 12 are opposite, and when the threaded screw rods 14 rotate, the left fixing block 11 and the right fixing block 12 which are matched and sleeved at the two ends of the threaded screw rods can move in the opposite direction or the opposite direction simultaneously.

Hoist and mount piece 13 interval setting is in the middle part top of screw lead screw 14, and the upper end circumference side middle part of hoist and mount piece radially opens there is the bolt hole and installs rings, can directly be with rings thread slipping in hoisting machinery's lifting hook when using, convenient to use, both ends are all together articulated fixed through linkage and left fixed block 11 and right fixed block 12 around hoist and mount piece 13, specifically:

as shown in fig. 1, the middle parts of the front and rear ends of the hoisting block 13 are both provided with a shaft hole inwards along the axial direction and fixedly provided with a third pin shaft 131 which protrudes out of the fixed block, the connecting rod group comprises a left connecting rod 15 and a right connecting rod 16 which are symmetrically arranged, the two ends of the left connecting rod 15 and the right connecting rod 16 are both provided with pin shaft holes along the axial direction, the top ends of the left connecting rod 15 and the right connecting rod 16 are matched and sleeved on the third pin shaft at the same end of the hoisting block, the tail end of the left connecting rod 15 is matched and sleeved on the first pin shaft 111 at the corresponding end of the left fixed block 11, and the tail end of the right connecting rod 16 is matched and.

A vertically arranged handle wheel 17 is fixedly sleeved in the middle of the threaded

screw rod

14, and 4 handles 171 are uniformly fixed on the outer ring surface of the handle wheel 17 at intervals along the circumference; pipe clamp assembly is including indulging cylindric connecting block 2 and folder group 3 of putting, the length dimension of connecting block 2 is the same with the length dimension of fixed block, 2 intervals of connecting block set up the middle part below at screw lead screw 14, and the setting position of connecting block 2 and hoist and mount piece 13 use screw lead screw 14 as central line mutual symmetry, the equal symmetry in both ends is equipped with folder group 3 around connecting block 2, folder group 3 is including the left folder 31 and the right folder 32 that match cross arrangement, the articulated fixing in connecting block 2 in the cross position of left folder 31 and right folder 32, the top of left folder 31 and right folder 32 respectively with right fixed block 12 with for the articulated fixing together of left fixed block 11, specifically:

the middle parts of the front end and the rear end of the connecting block 2 are both provided with an axial hole inwards along the axial direction and fixedly provided with a fourth pin shaft 21 which protrudes outwards and is provided with a fixing block, the left clamping piece 31 comprises a vertical left clamping rod 311, the bottom end of the left clamping rod 311 is provided with a left clamping foot 312 which inclines downwards rightwards, the top end of the left clamping rod 311 is provided with a left connecting rod 313 which inclines upwards rightwards, the right clamping piece 32 comprises a vertical right clamping rod 321, the bottom end of the right clamping rod 321 is provided with a right clamping foot 322 which inclines downwards leftwards, the top end of the right clamping rod 321 is provided with a right connecting rod 323 which inclines upwards, the middle parts of the connecting rods of the left clamping piece 31 and the right clamping piece 32 are provided with axial holes and are matched and sleeved on the fourth pin shaft 21 on the same side of the connecting block, the left clamping piece 31 and the right clamping piece 32 below the fourth pin shaft 21 are combined to form a clamping area of which the lower end is provided with an opening, the top ends of the, the clamping legs and the connecting rods are arranged in various modes, for example, the upper section and the bottom end of the left clamping rod are directly bent according to corresponding inclination angles, and the upper section and the lower end of the bent left clamping rod are respectively provided with the connecting rods and the clamping legs; the arrangement mode of the clamping foot and the connecting rod of the right clamping rod is the same as that of the left clamping rod, and the detailed description is omitted; when the left fixing block 11 and the right fixing block 12 on the threaded screw move in the opposite direction or the opposite direction along the threaded screw, the left clamping member 31 and the right clamping member 32 below the fourth pin 21 rotate around the fourth pin 21 in the opposite direction or the opposite direction at the same time, so as to control the size of the clamping area.

The device is applied to the hoisting work of the pipe, firstly, the device is assembled, then the device is hoisted and hung on a lifting hook of a hoisting machine through a lifting ring, then a wrench on a handle wheel is moved to drive a threaded screw rod 14 to rotate, so that the size of an opening at the lower end of a reinforcing area of a pipe clamp assembly is matched with the size of a coffin to be hoisted, the device is sleeved on the coffin through the opening at the lower end of the reinforcing area, then the handle wheel drives the threaded screw rod 14 to rotate, so that a left fixing block 11 and a right fixing block 12 on the threaded screw rod 14 move along the threaded screw rod in opposite directions, when the left fixing block 11 and the right fixing block 12 on the threaded screw rod 14 move along the threaded screw rod in opposite directions, a left clamping piece 31 and a right clamping piece 32 below a fourth pin shaft 21 are driven to simultaneously rotate around the fourth pin shaft 21 in opposite directions, so that the size of a clamping area is reduced, after the, the hoisting operation can be started.

Compared with the existing hoisting clamp, the device is more convenient to use, the size of the reinforcing area is adjusted by rotating the threaded screw rod, stepless adjustment is realized, the device is suitable for pipes with different diameters, the application range is wide, after the pipe clamp assembly firmly clamps the pipes, the threaded screw rod is not influenced by the gravity of the pipes to rotate in the hoisting process due to the fact that the threaded screw rod is in threaded connection with the fixed block, and therefore the pipes are clamped more firmly and are safer to use.

Claims

1. A pipe hoisting clamp comprises a pipe clamp assembly for grabbing a pipe, wherein a fixing and adjusting mechanism for controlling the size of a clamping opening of the pipe clamp assembly is arranged above the pipe clamp assembly; the hoisting blocks are arranged above the middle part of the threaded screw rod at intervals, hoisting rings are arranged at the upper ends of the hoisting blocks, and the hoisting blocks are respectively hinged and fixed with the left fixing block and the right fixing block through a connecting rod group; the pipe clamp assembly comprises a connecting block and a clamp assembly, the connecting block is arranged below the middle of the threaded screw rod at intervals, the clamp assembly comprises a left clamp and a right clamp which are matched, crossed and hinged to the connecting block, the top ends of the left clamp and the right clamp are hinged and fixed to the right fixing block and the left fixing block respectively, and the left clamp and the right clamp below the crossed position of the clamp assembly are combined into a clamping area with the lower end being an opening.

2. The pipe hoisting clamp according to claim 1, wherein the left fixing block, the right fixing block, the hoisting block and the connecting block are all longitudinally arranged cylinders with the same length and size.

3. The pipe hoisting clamp according to claim 1, wherein threaded holes adapted to the threaded screw rod are transversely formed in the middle of the left fixing block and the middle of the right fixing block, and the threaded directions of the threaded holes of the left fixing block and the right fixing block are opposite.

4. The pipe hoisting clamp according to claim 1, wherein a vertical handle wheel is fixedly sleeved in the middle of the threaded screw, and a plurality of handles are uniformly fixed on the outer annular surface of the handle wheel at intervals along the circumference.

5. The pipe hoisting clamp according to claim 2, wherein the hoisting block is provided with a bolt hole along the radial direction in the middle of the circumferential side surface of the upper end and a hoisting ring.

6. The pipe hoisting clamp according to claim 1, wherein the linkage comprises a left connecting rod and a right connecting rod which are symmetrically arranged, the top ends of the left connecting rod and the right connecting rod are hinged and fixed with the hoisting block, the tail end of the left connecting rod is hinged and fixed with the left fixed block, and the tail end of the right connecting rod is hinged and fixed with the right fixed block.