CN210855050U

CN210855050U - Curb installation dolly

Info

Publication number: CN210855050U
Application number: CN201921401388.0U
Authority: CN
Inventors: 李少星; 陈雷; 金辽东
Original assignee: China MCC20 Group Corp Ltd
Current assignee: China MCC20 Group Corp Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-06-26
Anticipated expiration: 2029-08-27

Abstract

The utility model provides a curb installation dolly, include: the device comprises a frame, universal wheels, two positioning wheels and a lifting mechanism positioned above the frame; the universal wheel is arranged on the front side of the bottom of the frame, and the two positioning wheels are arranged on the rear side of the bottom of the frame; a main beam for installing a lifting mechanism is arranged above the frame; the lifting mechanism comprises: the device comprises a hoisting mechanism, a pulley assembly and a rope; one end of the rope is connected with the hoisting mechanism, and the other end of the rope is connected with the clamp; the rope is wound on the pulley assembly to control the lifting motion of the clamp when the winding mechanism winds and releases the rope, so that the clamp can be clamped when being hung over the curb. The utility model provides a curb mounting trolley, which is convenient to assemble and disassemble, simple to operate and low in cost; can use manpower sparingly for the installation effectiveness promotes construction quality, reduces the emergence probability of litter worker phenomenon, is favorable to accelerating the road construction progress.

Description

Curb installation dolly

Technical Field

The utility model relates to a road construction technical field particularly, relates to a curb installation dolly.

Background

In road construction, need install the curb as early as possible after the road basic unit construction is accomplished to ensure that the surface course can pave as early as possible, at the in-process of curb construction, generally transport the curb to the roadside and stack, then with the transport installation of manpower one, because the curb is heavier, need two people to use rope made of hemp, the transport of iron hook binding, place back on the position of carrying the installation and remove rope made of hemp, the iron hook of binding the curb. Road construction needs to be accelerated in rainy season and winter, and the curb stone is installed in the course of road maintenance, and because the road base layer can not run vehicles in the course of maintenance, the curb stone is intensively placed at two ends of the road, and is manually loaded and unloaded on a cart and transported to the installation position. For guaranteeing road engineering construction progress, the curb installation needs a large amount of personnel to carry out the construction operation for driving up workers, if road segmentation construction operation, construction in rainy season winter, or construction process can't link up, all can cause a large amount of personnel probably to be idle, cause "nest worker" loss, and the cooperation of constructor two people is according to putting the curb, make the curb both ends exert oneself inhomogeneous, and remove the rope made of hemp, the in-process of iron hook all can damage the cement mortar screed-coat of original curb below, reduce the stability after the curb installation.

Disclosure of Invention

In view of this, the utility model provides a curb installation dolly aims at solving the all lower problem of consuming time power, installation effectiveness and construction quality in the current curb handling.

In one aspect, the utility model provides a curb installation dolly, include: the device comprises a frame, universal wheels, two positioning wheels and a lifting mechanism positioned above the frame; the universal wheels are mounted on the front side of the bottom of the frame, and the two positioning wheels are mounted on the rear side of the bottom of the frame; a main beam for mounting the lifting mechanism is arranged above the frame; the lifting mechanism comprises: the device comprises a hoisting mechanism, a pulley assembly and a rope; one end of the rope is connected with the hoisting mechanism, and the other end of the rope is connected with a clamp; the rope is wound on the pulley assembly to control the lifting motion of the clamp when the winding mechanism carries out winding and unwinding operation on the rope, so that the clamp can clamp the curb when being hung over the curb.

Further, in the above curb installation dolly, the frame includes: the device comprises a first vertical supporting piece, two second vertical supporting pieces and a plurality of transverse connecting pieces; the bottom of the first vertical supporting piece is connected with the universal wheel, and the bottoms of the two second vertical supporting pieces are respectively connected with the positioning wheel;

the first vertical supporting piece and each second vertical supporting piece are connected through the transverse connecting piece, and a triangular frame is formed among the first vertical supporting piece, the second vertical supporting pieces and the transverse connecting piece.

Further, in the above curb installation trolley, the top of each of the first vertical support member and the second vertical support member is connected with the transverse connecting member, and a support plate is arranged above the transverse connecting member at the top of the triangular frame.

Further, in the above curb installation trolley, the hoisting mechanism is disposed on the support plate.

Further, in the above curb installation trolley, the hoisting mechanism is a hoist or a winch.

Further, in the above curb installation dolly, pulley assembly includes at least one fixed pulley, the fixed pulley is installed on the girder.

Further, among the above-mentioned curb installation dolly, still include: a first upper support and two second upper supports; the bottom of the first upper end supporting piece is connected with the top of the first vertical supporting piece, and the top of the first upper end supporting piece is connected with the position, close to the first end, of the main beam; the bottoms of the two second upper end supporting pieces are respectively connected with the two second vertical supporting pieces, and the second end of the main beam is connected with the two second upper end supporting pieces through a connecting piece.

Further, in the above curb mounting trolley, the height of the first upper end support member is higher than the height of the second upper end support member.

Further, in the above curb installation bogie, the second upper end support member comprises: the two vertical supporting parts are arranged oppositely, and the two horizontal connecting parts are arranged oppositely; one end of the horizontal connecting piece is connected with the top end of the vertical supporting part, and the other end of the horizontal connecting piece extends towards the direction far away from the front side of the frame.

Further, in the curb installation dolly, be connected with horizontal spliced pole between two the horizontal connecting piece for provide the operating personnel and hold the point.

The utility model provides a curb mounting trolley, which is convenient to assemble and disassemble, simple to operate and low in cost; use the utility model provides a curb installation dolly can use manpower sparingly for the installation effectiveness promotes construction quality, reduces the emergence probability of litter worker's phenomenon, is favorable to accelerating the road construction progress.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural view of a curb mounting trolley provided in an embodiment of the present invention;

fig. 2 is a schematic view of a partial front structure of a curb mounting trolley provided in an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 and 2, the utility model discloses curb installation dolly includes: the device comprises a frame 1, universal wheels 2, two positioning wheels 3 and a lifting mechanism 4 positioned above the frame 1; the universal wheel 2 is arranged on the front side of the bottom of the frame 1, and the two positioning wheels 3 are arranged on the rear side of the bottom of the frame 1; a main beam 5 for installing the lifting mechanism 4 is arranged above the frame 1; the lifting mechanism 4 includes: a winding mechanism 41, a sheave assembly, and a rope 42; one end of the rope 42 is connected with the hoisting mechanism 41, and the other end of the rope 42 is connected with the clamp 6; the rope 42 is wound around the pulley assembly to control the lifting and lowering of the jig 6 when the winding mechanism 41 winds and releases the rope 42, so that the jig 6 can be lifted and released right above the curb 7 to pick up the curb 7.

Specifically, the vehicle body frame 1 may have a frame structure formed by welding a plurality of channel steels. The universal wheels 3 are arranged on the front side of the bottom of the frame 1, so that the steering of the trolley is more flexible, and the cost for manufacturing materials can be reduced; the two positioning wheels 3 can be symmetrically arranged on two sides behind the universal wheels 3, so that the trolley can be kept stable in the moving process after the trolley lifts the curb 7.

Preferably, the frame 1 comprises: a first vertical support 11, two second vertical supports 12 and a plurality of transverse connectors 13; the bottom of the first vertical supporting piece 11 is connected with the universal wheel 2, and the bottoms of the two second vertical supporting pieces 12 are respectively connected with the positioning wheel 3; the first vertical supporting member 11 is connected with each second vertical supporting member 12 through the transverse connecting member 13, and a triangular frame is formed among the first vertical supporting member 11, the second vertical supporting member 12 and the transverse connecting member 13. First vertical support 11 sets up in two second vertical support 12 front sides, and universal wheel 2 installs in first vertical support 11's bottom, and two locating wheels 3 correspond respectively and install in the bottom of every second vertical support 12. At least one transverse connecting piece 13 is connected between the first vertical supporting piece 11 and the second vertical supporting piece 12, in this embodiment, in order to ensure the stability of the frame structure, two transverse connecting pieces 13 are arranged between the first vertical supporting piece 11 and each second vertical supporting piece 12, and the two transverse connecting pieces 13 can be arranged in parallel. A triangular frame is formed among the first vertical supporting piece 11, the second vertical supporting piece 12 and the transverse connecting piece 13, and the stability of the whole vehicle body is guaranteed.

The top of each of the first vertical supporting member 11 and the second vertical supporting member 12 is connected to the transverse connecting member 13, and a supporting plate (not shown in the figure) is arranged above the transverse connecting member 13 at the top of the triangular frame. The winding mechanism 41 is provided on the support plate. More specifically, the hoisting mechanism 41 is a hoisting machine or a winch, such as a hand winch, and has a small size, light weight and convenient operation. The cable 42 may be a steel cable with a fixed end connected to the winch and a free end wound around the pulley assembly, and the end of the cable 42 is connected to the clamp 6, and the clamp 6 may be any one of the prior art clamps, such as a scissors clamp. In this embodiment, the clamping opening of the clamp is provided with an anti-slip member (e.g., a tooth-shaped anti-slip rubber sheet) to prevent slipping and falling off when the curb 7 is clamped. An operating rod 61 is arranged on the clamp 6, one end of the operating rod 61 is fixed on the connecting rod on one side of the fork-shaped frame, a self-locking piece 62 is arranged at the other end of the operating rod 61, and a locking groove 63 matched with the self-locking piece 62 is arranged on the connecting rod on the other side of the fork-shaped frame. The self-locking member 62 may have a cylindrical structure. When lifting by crane, when will popping out locked groove 63 from locking piece 62, the tooth of grabbing at anchor clamps bottom both ends can make opposite directions motion to make anchor clamps be closed state, thereby press from both sides tight curb, when the curb falls back unstressed, anchor clamps are the open mode in order to loosen the curb, will again make anchor clamps grab the tooth and can't do the motion from locking piece 62 card income locked groove 63.

The pulley assembly comprises at least one fixed pulley 42, and the fixed pulley 42 is mounted on the main beam 5. The main beams 5 may be made of one or more channel steel. Elevating system 4 in this embodiment makes the dolly have certain hoist and mount function, can replace the manpower to the curb dress dolly on, unload in the position of installation, can see out, the utility model discloses a curb installation dolly can be in the place far away and hang the curb directly to be under construction to the position that needs to be changed, also has certain effect to curb later maintenance in the future, has overcome the following problem that exists among the prior art: before curb quality acceptance, because the road surface course lay, both sides afforestation soil backfill can cause a small amount of damage to the curb, because damaged curb position is not adjacent, often more consume the manual work to change.

This embodiment still includes: a first upper end support 8 and two second upper end supports 9; wherein the content of the first and second substances,

the bottom of the first upper end support 8 is connected with the top of the first vertical support 11, and the top of the first upper end support 8 is connected with the main beam 5 near the first end (the right end shown in fig. 1); the bottoms of the two second upper end supporting pieces 9 are respectively connected with the two second vertical supporting pieces 12, and the second end (the left end shown in fig. 1) of the main beam 5 is connected with the two second upper end supporting pieces 9 through a connecting piece 10.

Specifically, the first upper end support 8 and the second upper end support 9 may be both made of channel steel. A second upper end support 9 is connected to the top of each second vertical support 12, and a flange connection may be formed between the second upper end support 9 and the second vertical support 12. The first upper end support 8 and the top of the first vertical support 11 may be connected by a flange.

The connecting piece 10 is connected between the two second upper end supporting pieces 9, the connecting piece 10 can be a channel steel, and the second end of the main beam 5 can be connected with the connecting piece 10 through a flange. The height of the first upper end support 8 is higher than the height of the second upper end support 9, so that the main beam 5 is connected obliquely between the first upper end support 8 and the second upper end support 9.

More specifically, the second upper end support 9 comprises: two oppositely disposed vertical support portions 91 and two oppositely disposed horizontal connectors 92; one end of the horizontal connecting member 92 is connected to the top end of the vertical supporting portion 91, and the other end of the horizontal connecting member 92 extends in a direction away from the front side of the frame 1. Each vertical supporting portion 91 and the corresponding horizontal connector 92 may be an integrally formed bent piece, for example, the bending angle between the vertical supporting portion 91 and the corresponding horizontal connector 92 may be a right angle.

In order to facilitate the pushing and pulling of the trolley by the operator, a transverse connecting column (not shown) is connected between the two horizontal connecting members 92 to provide a gripping point for the operator. Two the horizontal connecting piece 92 is last to correspond and to have seted up connecting hole 921 to the installation spliced pole, the spliced pole can be the steel pipe.

In this embodiment, the working process of the curb mounting trolley is as follows: after the curb installation dolly is assembled, remove to the curb by side, drop to the curb top through rotating hand winch to the formula of cutting anchor clamps of shaking, the center of adjustment anchor clamps and curb rotates hand winch once more for anchor clamps fall on the curb, loosen anchor clamps from the latch fitting, make anchor clamps clip the curb, anchor clamps press from both sides the mouth and are provided with the profile of tooth antiskid rubber, in order to prevent that the curb from droing. Rotate hand winch machine and hang the certain height back with the curb, remove to the mounted position, descend the curb after aiming at the center to when near apart from the cement mortar screed-coat, slowly descend and lay, confirm the closed anchor clamps from the latch fitting behind the mounted position to raise anchor clamps, move to the curb and stack position department, prepare the installation of next curb.

As is obvious from the above description, in the embodiment, the universal wheels are arranged on the front side of the bottom of the frame, and the two positioning wheels are arranged on the rear side of the frame, so that the structure is simple, and the vehicle body can move flexibly; install elevating system above the frame, drive anchor clamps through elevating system and go up and down to press from both sides to the curb and get and lay the operation, whole dolly simple structure has removal and hoist and mount function concurrently, has practiced thrift required manpower resources in the curb installation greatly, simultaneously, when adopting anchor clamps to press from both sides to get, makes curb both ends atress even, thereby is favorable to improving construction quality.

In conclusion, the kerbstone mounting trolley provided by the utility model has the advantages of convenient assembly and disassembly, simple operation and low cost; use the utility model provides a curb installation dolly can use manpower sparingly for the installation effectiveness promotes construction quality, reduces the emergence probability of litter worker's phenomenon, is favorable to accelerating the road construction progress.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A curb installation trolley, comprising: the device comprises a frame, universal wheels, two positioning wheels and a lifting mechanism positioned above the frame; wherein the content of the first and second substances,

the universal wheel is arranged on the front side of the bottom of the frame, and the two positioning wheels are arranged on the rear side of the bottom of the frame; a main beam for mounting the lifting mechanism is arranged above the frame;

the lifting mechanism comprises: the device comprises a hoisting mechanism, a pulley assembly and a rope; one end of the rope is connected with the hoisting mechanism, and the other end of the rope is connected with a clamp; the rope is wound on the pulley assembly to control the lifting motion of the clamp when the winding mechanism carries out winding and unwinding operation on the rope, so that the clamp can clamp the curb when being hung over the curb.

2. The curb mounting trolley of claim 1 wherein the frame comprises: the device comprises a first vertical supporting piece, two second vertical supporting pieces and a plurality of transverse connecting pieces; wherein the content of the first and second substances,

the bottom of the first vertical supporting piece is connected with the universal wheel, and the bottoms of the two second vertical supporting pieces are respectively connected with the positioning wheel;

3. The curb installation trolley of claim 2 wherein the cross connectors are connected to the top of the first vertical support and each of the second vertical supports, and a support plate is positioned above the cross connectors at the top of the triangular frame.

4. A kerb installation trolley according to claim 3 wherein the winching mechanism is provided on the support plate.

5. The curb installation trolley of claim 1 wherein the hoisting mechanism is a hoist or winch.

6. The curb mounting trolley of claim 1 wherein the pulley assembly includes at least one fixed pulley mounted on the main beam.

7. The curb mounting trolley of claim 2 further comprising: a first upper support and two second upper supports; wherein the content of the first and second substances,

the bottom of the first upper end supporting piece is connected with the top of the first vertical supporting piece, and the top of the first upper end supporting piece is connected with the position, close to the first end, of the main beam;

the bottoms of the two second upper end supporting pieces are respectively connected with the two second vertical supporting pieces, and the second end of the main beam is connected with the two second upper end supporting pieces through a connecting piece.

8. The curb installation trolley of claim 7 wherein the first upper end support is higher than the second upper end support.

9. The curb mounting trolley of claim 7 wherein the second upper end support comprises: the two vertical supporting parts are arranged oppositely, and the two horizontal connecting parts are arranged oppositely; wherein the content of the first and second substances,

one end of the horizontal connecting piece is connected with the top end of the vertical supporting part, and the other end of the horizontal connecting piece extends towards the direction far away from the front side of the frame.

10. A kerb installation trolley according to claim 9 wherein a transverse connection column is connected between the two horizontal connectors to provide a gripping point for an operator.