CN212151332U

CN212151332U - Kerbstone hoisting tool

Info

Publication number: CN212151332U
Application number: CN202020177698.5U
Authority: CN
Inventors: 张腾辉; 裴丙; 蓝萧斌
Original assignee: China Railway 24th Bureau Group Co Ltd; China Railway 24th Bureau Group Zhejiang Engineering Testing Co Ltd
Current assignee: China Railway 24th Bureau Group Co Ltd; China Railway 24th Bureau Group Zhejiang Engineering Testing Co Ltd
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2020-12-15
Anticipated expiration: 2030-02-17

Abstract

The utility model discloses a curbstone lifting device aims at solving the curbstone and removes inconveniently, has influenced work efficiency, has increased construction cost's not enough. The utility model discloses an including wheel, jib, fixture include that two articulated clamping bars that are X-shaped together, the clamping bar lower extreme all is equipped with the chuck that is used for the centre gripping kerbstone, installs the shaft on the wheel, and the tight linking bridge that links firmly on the shaft, jib articulate on the support, connect the hoist cable between two clamping bars upper ends, hoist and mount at the jib front end in the middle part of the hoist cable. The kerbstone hoisting tool greatly facilitates the kerbstone moving operation, saves labor in kerbstone moving, improves the working efficiency and reduces the construction cost.

Description

Kerbstone hoisting tool

Technical Field

The utility model relates to a construction tool, more specifically say, it relates to a curbstone lifting device.

Background

At present, when carrying out municipal works, often can meet the installation of placing of curb, need lift the curb to the assigned position and place, because the curb is heavier, remove inconveniently, have the risk of damaging the finger, influenced work efficiency, increased construction cost.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the kerbstone removes inconveniently, has influenced work efficiency, has increased construction cost's not enough, provides a kerbstone lifting device, and it has made things convenient for the kerbstone to remove the operation greatly, and the kerbstone removes laborsavingly, has improved work efficiency, has reduced construction cost.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a curbstone lifting device, includes wheel, jib, fixture include that two articulated clamping bars that are X-shaped together, the clamping bar lower extreme all is equipped with the chuck that is used for the centre gripping curbstone, installs the shaft on the wheel, and fastening connection support on the shaft, jib articulate on the support, connects the hoist cable between two clamping bar upper ends, and hoist and mount in the jib front end in the hoist cable middle part.

When the kerbstone hoisting tool is used, the kerbstone hoisting tool is firstly moved to the position of the kerbstone through the wheels, then the two chucks at the lower ends of the two clamping rods are respectively clamped on the two end faces of the kerbstone, the rear end of the suspender is pressed downwards, the sling is lifted upwards, so that the lower ends of the two clamping rods are close to each other, the two chucks are tightly clamped on the two end faces of the kerbstone, the kerbstone is lifted upwards, the wheels are pushed to transfer the kerbstone to the appointed position at the moment, the kerbstone is placed downwards, the hoisting tool is moved away, and the whole hoisting process of the kerbstone. According to the lever principle, the larger the difference between the distance from the hinge point of the suspender to the pressing force point and the distance from the hinge point of the suspender to the connection point of the suspender and the sling is, the smaller the pressing force is, and the more labor is saved. The kerbstone hoisting tool greatly facilitates the kerbstone moving operation, saves labor in kerbstone moving, improves the working efficiency and reduces the construction cost.

Preferably, two limiting convex columns are arranged at the connecting positions of the suspension rod and the suspension cable, and the suspension cable is arranged between the two limiting convex columns. The limiting convex columns have good limiting effect on the sling, and the sling is prevented from slipping off the suspender.

Preferably, a limiting sleeve is connected between the upper end of one clamping rod and the lower end of the other clamping rod. The limiting sleeve has a limiting effect on the two clamping rods, so that the opening angle between the two clamping rods is limited in a certain range, and the clamping operation on the curbstone is facilitated.

Preferably, the wheel shaft is fixedly connected with a support frame for supporting the suspension rod, and the support frame is arranged behind the support frame. The support frame plays the effect of support to the jib, and the jib supports on the support frame after the kerbstone lifts by crane, then removes the wheel, and the operation process is more steady reliable.

Preferably, the front end of the suspender is connected with a lifting pull rod, the lower part of the pull rod is provided with a support rod for pushing the lower ends of the two clamping rods to expand outwards, the pull rod is connected with a pull rope, the suspender is provided with a rope sleeve, and the pull rope passes through the rope sleeve and extends to the rear part of the suspender.

The stay cord is pulled before the kerbstone is clamped, the pull rod is pulled upwards, the support rod moves upwards to push the clamping rods to move upwards, so that the lower ends of the two clamping rods expand outwards, the distance between the two clamping heads is increased, and the two clamping heads can be conveniently and quickly clamped on two end faces of the kerbstone. After the kerbstone is hoisted to the designated position, the pull rope is pulled to enable the two chucks to be outwards opened, so that the chucks can be conveniently separated from the kerbstone. The structure is convenient for loading and unloading operation, and can finish the hoisting action of the curbstone easily by one person.

Preferably, the hanger rod is provided with a sliding hole, the pull rod penetrates through the sliding hole, the pull rod is provided with a strip-shaped slotted hole, a limiting pin is installed in the sliding hole, and the limiting pin penetrates through the slotted hole. The limiting pin is always arranged in the slot hole in the process that the pull rod moves up and down, so that the pull rod is prevented from being separated from the hanging rod.

Preferably, the lower part of the pull rod is provided with an inverted U-shaped connecting frame, both ends of the connecting frame are provided with transverse rods, and a supporting rod is connected between the end parts of the two transverse rods. The lower part of the pull rod arranged by the structure can not interfere with the clamping rod, so that the normal work of the clamping rod is ensured.

Preferably, a clamping plate for clamping the kerbstone is arranged on the inner side of the chuck, the lower end of the clamping plate is hinged with the lower end of the chuck, a tensioning spring is connected between the upper end of the clamping plate and the chuck, an abutting screw is connected to the chuck, and the end part of the abutting screw abuts against the clamping plate. The length of kerbstone probably has the deviation among the actual work progress, can adjust the butt screw this moment, and the inclination of adjustment splint is in vertical state when guaranteeing splint and kerbstone terminal surface centre gripping, increases clamping-force, makes the hoist and mount more reliable.

Compared with the prior art, the beneficial effects of the utility model are that: the kerbstone hoisting tool greatly facilitates the kerbstone moving operation, saves labor in kerbstone moving, improves the working efficiency and reduces the construction cost.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a clamping mechanism according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a clamping mechanism according to embodiment 2 of the present invention;

fig. 4 is a schematic structural view of a tie rod according to embodiment 2 of the present invention;

in the figure: 1. the device comprises wheels, 2, a hanging rod, 3, a clamping rod, 4, curbstone, 5, a chuck, 6, a wheel shaft, 7, a support, 8, a sling, 9, a limiting convex column, 10, a limiting sleeve, 11, a support frame, 12, a pull rod, 13, a support rod, 14, a pull rope, 15, a rope sleeve, 16, a sliding hole, 17, a slotted hole, 18, a limiting pin, 19, a connecting frame, 20, a cross rod, 21, a clamping plate, 22, a tensioning spring, 23 and an abutting screw.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1: the utility model provides a curbstone lifting device (see figure 1, figure 2), including wheel 1, jib 2, fixture includes that two articulated clamping bars 3 that are X-shaped together, two clamping bars length equals, the intermediate position of two clamping bars is articulated together through the articulated shaft, the clamping bar lower extreme all is equipped with chuck 5 that is used for centre gripping curbstone 4, install shaft 6 on the wheel, fastening connection support 7 on the shaft, the jib articulates on the support, connect hoist cable 8 between the two clamping bar upper ends, hoist and mount at the jib front end in the middle part of the hoist cable. Two limit convex columns 9 are arranged on the hanger rod and at the connecting position of the sling, and the sling is arranged between the two limit convex columns. A limiting sleeve 10 is connected between the upper end of one clamping rod and the lower end of the other clamping rod. The wheel shaft is fixedly connected with a support frame 11 for supporting the suspension rod, the support frame is arranged behind the support frame, a V-shaped support groove is formed in the upper end of the support frame, and the suspension rod is supported in the support groove.

Example 2: a kerbstone hoisting tool (refer to attached figures 3 and 4) is similar to the structure of embodiment 1, and mainly differs in that the front end of a suspender in the embodiment is connected with a liftable pull rod 12, the lower part of the pull rod is provided with a support rod 13 for pushing the lower ends of two clamping rods to expand outwards, the pull rod is connected with a pull rope 14, the suspender is provided with a rope sleeve 15, and the pull rope passes through the rope sleeve and extends to the rear part of the suspender. The hanger rod is provided with a sliding hole, the pull rod passes through the sliding hole 16, the pull rod is provided with a strip-shaped slotted hole 17, a limiting pin 18 is arranged in the sliding hole, and the limiting pin passes through the slotted hole. The lower part of the pull rod is provided with an inverted U-shaped connecting frame 19, both ends of the connecting frame are provided with transverse rods 20, and a support rod is connected between the end parts of the two transverse rods. The splint 21 that is used for the centre gripping kerbstone of inboard installation of chuck, splint lower extreme and chuck lower extreme are articulated, connect taut spring 22 between splint upper end and the chuck, connect butt screw 23 on the chuck, butt screw tip butt is on splint. The other structure is the same as embodiment 1.

The stay cord is pulled before the kerbstone is clamped, the pull rod is pulled upwards, the support rod moves upwards to push the clamping rods to move upwards, so that the lower ends of the two clamping rods expand outwards, the distance between the two clamping heads is increased, and the two clamping heads can be conveniently and quickly clamped on two end faces of the kerbstone. After the kerbstone is hoisted to the designated position, the pull rope is pulled to enable the two chucks to be outwards opened, so that the chucks can be conveniently separated from the kerbstone. The structure is convenient for loading and unloading operation, and can finish the hoisting action of the curbstone easily by one person. The length of kerbstone probably has the deviation among the actual work progress, can adjust the butt screw this moment, and the inclination of adjustment splint is in vertical state when guaranteeing splint and kerbstone terminal surface centre gripping, increases clamping-force, makes the hoist and mount more reliable.

The above-described embodiments are merely preferred and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a curbstone lifting device, characterized by, includes wheel, jib, fixture include that two articulated clamping bars that are X-shaped together, the clamping bar lower extreme all is equipped with the chuck that is used for the centre gripping curbstone, installs the shaft on the wheel, and fastening connection support on the shaft, jib articulate on the support, connects the hoist cable between two clamping bar upper ends, and hoist and mount in the jib front end in the hoist cable middle part.

2. The kerbstone hoisting tool of claim 1, wherein the hanger rod has two limiting lugs at the connection point with the sling, and the sling is disposed between the two limiting lugs.

3. The kerbstone hoisting tool of claim 1, wherein a stop collar is connected between the upper end of one clamping bar and the lower end of the other clamping bar.

4. The kerbstone lifting tool of claim 1, wherein a support frame for supporting the hanger bar is fastened to the axle, the support frame being disposed behind the support frame.

5. The kerbstone hoisting tool of claim 1, wherein the front end of the boom is connected to a liftable rod, the lower part of the rod is provided with a support rod for pushing the lower ends of the clamping rods to expand outwards, the rod is connected to a pull rope, the boom is provided with a rope sleeve, and the pull rope passes through the rope sleeve and extends to the rear part of the boom.

6. The kerbstone hoisting tool of claim 5, wherein the hanger rod has a slide hole, the pull rod passes through the slide hole, the pull rod has an elongated slot, and the slide hole has a limit pin mounted therein, the limit pin passing through the slot.

7. A kerbstone lifting tool according to claim 5, wherein the pull rod has an inverted U-shaped link at a lower portion thereof, the link having a cross bar at each end thereof, and a support bar connected between ends of the cross bars.

8. The kerbstone hoisting tool of any one of claims 1-7, wherein a clamping plate for clamping the kerbstone is mounted inside the chuck, a lower end of the clamping plate is hinged to a lower end of the chuck, a tension spring is connected between an upper end of the clamping plate and the chuck, an abutment screw is connected to the chuck, and an end of the abutment screw abuts against the clamping plate.