CN215287771U

CN215287771U - Hoisting gun carriage

Info

Publication number: CN215287771U
Application number: CN202121658631.4U
Authority: CN
Inventors: 董建荣; 李思海; 穆建军; 杨海龙
Original assignee: Second Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
Current assignee: Second Engineering Co Ltd of China Railway Construction Electrification Bureau Group Co Ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-12-24
Anticipated expiration: 2031-07-21

Abstract

The utility model provides a hoisting gun carriage, belonging to the technical field of hoisting tools, comprising a chassis, universal wheels, a suspension arm, a winch, a balance weight and a motor; the two front suspension arms are respectively arranged on two sides of the bottom frame, the bottom ends of the two front suspension arms are connected with the bottom frame, the top ends of the two front suspension arms incline towards the front of the bottom frame, and the top ends of the two front suspension arms are connected through a connecting top plate; the main fixed pulley and the auxiliary fixed pulley are both arranged on the connecting top plate; the two rear suspension arms are respectively arranged on two sides of the bottom frame, the bottom ends of the two rear suspension arms are connected with the bottom frame and positioned behind the bottom end of the front suspension arm, and the top ends of the two rear suspension arms are inclined towards the front of the bottom frame and connected with the front suspension arm; the main winch is positioned behind the rear suspension arm, the main steel wire rope is led out from a winding drum of the main winch and penetrates through the main fixed pulley, and the end part of the main winch is provided with a lifting hook; the auxiliary winch is positioned between the front suspension arm and the rear suspension arm, the auxiliary steel wire rope is led out from a winding drum of the auxiliary winch, passes through the auxiliary fixed pulley, and the end part of the auxiliary winch is provided with a falling protector; the counterweight is positioned behind the main winch. The utility model discloses can improve the hoist and mount security.

Description

Hoisting gun carriage

Technical Field

The utility model belongs to the technical field of lifting device, a hoist and mount gun carriage is specifically disclosed.

Background

With the increasing number of high-rise buildings and super high-rise buildings, glass curtain walls are widely applied to the high-rise buildings, and on-site hoisting schemes of the glass curtain walls are highly valued by general personnel in the industry and are concerned about a plurality of factors such as building appearance, sites, equipment, construction safety, quality, progress, cost, process connection and the like.

CN201821149164.0 discloses a small gun carrier, which is used for hoisting curtain wall unit plates and comprises a motion system, a framework system, a height limiter, a suspension arm, a vertical telescopic supporting rod, a power system and a winch, wherein the motion system comprises two pairs of brake angle wheels which are parallel to each other; the framework system is welded above the motion system and comprises a base and an upper framework, and the base is formed by crosswise and crosswise welding cross beams and longitudinal beams; the height limiter is welded on the cross beam of the base; the suspension arm is arranged at the front end of the framework system, the middle part of the suspension arm is connected with the top of the height limiter through a bolt, and the front end of the suspension arm is provided with an electric hoist; the vertical telescopic support rod is arranged at the rear end of the framework system, and a steel plate piece is welded at the top of the vertical telescopic support rod and tightly propped against a floor slab of a construction operation floor; a motor and a winch of the power system are arranged at the rear end of the framework system; and a motor of the power system can drive a winch to drive a hoisting steel wire rope which is matched with the electric hoist to hoist the curtain wall unit plate.

The glass curtain wall can be quickly installed, but the glass curtain wall is hoisted by adopting a single set of windlass, and the brake angle wheels are simultaneously used as a travelling mechanism and a brake mechanism, so that the safety is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist and mount gun carriage adopts the hoist and mount of the two sets of hoists of major-minor, and running gear and arrestment mechanism components of a whole that can function independently design improve the hoist and mount security.

In order to achieve the purpose, the utility model provides a hoisting gun carriage, which comprises a bottom frame, wherein the bottom of the bottom frame is rotationally provided with universal wheels, and the upper part of the bottom frame is provided with a suspension arm, a winch, a balance weight and a motor for driving the winch; the suspension arm comprises a front suspension arm, a rear suspension arm, a connecting top plate, a main fixed pulley and an auxiliary fixed pulley; the two front suspension arms are respectively arranged on two sides of the bottom frame, the bottom ends of the two front suspension arms are connected with the bottom frame, the top ends of the two front suspension arms incline towards the front of the bottom frame, and the top ends of the two front suspension arms are connected through a connecting top plate; the main fixed pulley and the auxiliary fixed pulley are both arranged on the connecting top plate; the two rear suspension arms are respectively arranged on two sides of the bottom frame, the bottom ends of the two rear suspension arms are connected with the bottom frame and positioned behind the bottom end of the front suspension arm, and the top ends of the two rear suspension arms are inclined towards the front of the bottom frame and connected with the front suspension arm; the winch comprises a main winch and an auxiliary winch; the main winch is positioned behind the rear suspension arm, the main steel wire rope is led out from a winding drum of the main winch and penetrates through the main fixed pulley, and the end part of the main winch is provided with a lifting hook; the auxiliary winch is positioned between the front suspension arm and the rear suspension arm, the auxiliary steel wire rope is led out from a winding drum of the auxiliary winch, passes through the auxiliary fixed pulley, and the end part of the auxiliary winch is provided with a falling protector; the counterweight is positioned behind the main winch.

Furthermore, a front bottom connecting lug and a rear bottom connecting lug are arranged on the bottom frame, and a top connecting lug is arranged on the front suspension arm; the bottom end of the front suspension arm is connected with the front bottom connecting lug through a pin; the two ends of the rear suspension arm are connected with the rear bottom connecting lug and the top connecting lug through pins.

Furthermore, a dragging rope used for being connected with a stress part or a ground anchor in a building is arranged behind the underframe.

Furthermore, a limit stop block is arranged on the main steel wire rope; the position that lies in main hoist engine the place ahead on the chassis is provided with the limiting plate, is provided with spacing hole on the limiting plate, installs limit switch on the spacing hole, and main wire rope passes spacing hole, and limit switch detects limit stop, the hoist outage.

Furthermore, an upper limiting carrier roller and a lower limiting carrier roller are rotatably arranged on the limiting hole, and the main steel wire rope penetrates through the upper limiting carrier roller and the lower limiting carrier roller.

Furthermore, the hoisting gun carrier also comprises a braking mechanism; the braking mechanism comprises a screw rod penetrating through the underframe, a supporting plate fixed at the bottom end of the screw rod, and an upper limiting nut and a lower limiting nut which are sleeved on the screw rod; the upper limiting nut and the lower limiting nut are respectively positioned on two sides of the underframe.

Further, a reinforcing plate is welded between the screw and the support plate.

Further, the underframe is formed by welding square pipes, and a gasket is arranged between the upper limiting nut and the underframe.

The utility model has the advantages of it is following:

the hoisting gun carriage adopts the main and auxiliary two sets of winches to hoist, and during hoisting, the hook at the lower end of the falling protector is pulled out to hook the curtain wall unit plate together with the hook of the main steel wire rope, so that the curtain wall unit plate can be prevented from falling. The universal wheels are used as a travelling mechanism, the braking mechanism adopts a screw rod and upper and lower limiting nuts, the hoisting gun carrier is pushed to a hoisting position (the front screw rod has a safety distance of at least 0.5 m from the floor edge), and after the position is proper, the limiting nuts of all the screw rods are adjusted to jack the underframe, so that the universal wheels are slightly separated from the ground, and the hoisting gun carrier is braked. The walking mechanism and the braking mechanism are designed in a split mode, and braking failure is avoided. The rear part of the underframe is provided with a dragging rope which is used for being connected with a stressed part or a ground anchor in a building and can be used as an auxiliary safety measure to prevent the lifting cannon car from moving outwards the floor when being lifted.

Drawings

FIG. 1 is a front view of a lift gun truck;

FIG. 2 is a top view of a lift gun truck;

FIG. 3 is a schematic view of the installation of a limit switch and a limit carrier roller on a limit plate;

FIG. 4 is a front view of the brake mechanism;

FIG. 5 is a top view of the braking mechanism;

fig. 6 is a schematic view showing the connection between the hoist and the motor.

In the figure: 1-a chassis; 2-counterweight; 3-a winch; 3.1-main hoist; 3.2-auxiliary winch; 3.3-main wire rope; 3.4-auxiliary wire rope; 4-a motor; 5-front suspension arm; 6-rear suspension arm; 7-connecting the top plate; 8-a main fixed pulley and an auxiliary fixed pulley; 9-universal wheels; 10-connecting lugs at the front bottom; 11-rear bottom connecting lug; 12-top attachment lugs; 13-a limiting plate; 14-limit switch; 15-a reducer; 16-a brake; 17-limiting carrier rollers; 18-a screw; 19-a support plate; 20-upper limit nut; 21-lower limit nut; 22-a reinforcement plate; 23-spacer.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment provides a hoisting gun carriage, which comprises an underframe 1, wherein universal wheels 9 are rotatably arranged at the bottom of the underframe 1, and a suspension arm, a winch, a balance weight 2 and a motor 4 for driving the winch 3 are arranged at the upper part of the underframe 1; the suspension arm comprises a front suspension arm 5, a rear suspension arm 6, a connecting top plate 7, a main fixed pulley and an auxiliary fixed pulley 8; the two front suspension arms 5 are respectively arranged at two sides of the bottom frame 1, the bottom ends of the two front suspension arms are connected with the bottom frame 1, the top ends of the two front suspension arms 5 are inclined towards the front of the bottom frame 1, and the top ends of the two front suspension arms 5 are connected through a connecting top plate 7; the main fixed pulley and the auxiliary fixed pulley 8 are both arranged on the connecting top plate 7; the two rear suspension arms 6 are respectively arranged at two sides of the bottom frame 1, the bottom ends of the two rear suspension arms are connected with the bottom frame 1 and positioned behind the bottom end of the front suspension arm 5, and the top ends of the two rear suspension arms are inclined towards the front of the bottom frame 1 and connected with the front suspension arm 5; the winch 3 comprises a main winch 3.1 and an auxiliary winch 3.2; the main winch 3.1 is positioned behind the rear suspension arm 6, the main steel wire rope 3.3 is led out from a winding drum of the main winch 3.1 and passes through the main fixed pulley, and the end part of the main winch is provided with a lifting hook; the auxiliary hoist 3.2 is positioned between the front boom 5 and the rear boom 6, an auxiliary steel wire rope 3.4 is led out from a winding drum of the auxiliary hoist 3.2, passes through the auxiliary fixed pulley, and the end part is provided with a safety hook; the counterweight 2 is located behind the main winch 3.1.

The hoisting gun carriage adopts the main and auxiliary two sets of winches 3 for hoisting, and during hoisting, the hook at the lower end of the falling protector is pulled out, and hooks the curtain wall unit plate together with the hook of the main steel wire rope 3.3, so that the curtain wall unit plate can be prevented from falling.

Furthermore, a front bottom connecting lug 10 and a rear bottom connecting lug 11 are arranged on the underframe 1, and a top connecting lug 12 is arranged on the front suspension arm 5; the bottom end of the front suspension arm 5 is connected with a front bottom connecting lug 10 through a pin; two ends of the rear suspension arm 6 are connected with a rear bottom connecting lug 11 and a top connecting lug 12 through pins. When the hoisting cannon vehicle is not used, the pin between the rear suspension arm 6 and the top connecting lug 12 can be removed, and the front suspension arm 5 and the rear suspension arm 6 are rotatably folded above the bottom frame 1, so that the space is saved.

Furthermore, a dragging rope used for being connected with a stressed part or a ground anchor in a building is arranged behind the underframe 1 and can be used as an auxiliary safety measure to prevent the lifting gun carrier from moving out of the floor when being lifted.

Furthermore, a limit stop is arranged on the main steel wire rope 3.3; a limiting plate 13 is arranged at the position, in front of a main winch 3.1, of the underframe 1, a limiting hole is formed in the limiting plate 13, a limiting switch 14 is installed in the limiting hole, the main steel wire rope 3.3 penetrates through the limiting hole, the limiting switch 14 detects a limiting stop, and the winch 3 is powered off. The limit switch 14 controls the power off of the hoist 3 as in the prior art.

Further, the motor 4 is connected to the hoist 3 through a decelerator 15, and the motor 4 is provided with a brake 16.

Furthermore, an upper limiting carrier roller 17 and a lower limiting carrier roller 17 are rotatably arranged on the limiting hole, and the main steel wire rope 3.3 penetrates through the upper limiting carrier roller 17 and the lower limiting carrier roller 17, so that the main steel wire rope 3.3 is prevented from being cut off by direct friction between the main steel wire rope 3.3 and the limiting hole.

Furthermore, the hoisting gun carrier also comprises a braking mechanism; the braking mechanism comprises a screw rod 18 penetrating through the underframe 1, a supporting plate 19 fixed at the bottom end of the screw rod 18, and an upper limit nut 20 and a lower limit nut 21 sleeved on the screw rod 18; the upper limit nut 20 and the lower limit nut 21 are respectively positioned at two sides of the underframe 1. The hoisting gun carrier is pushed to the hoisting position (the front screw rod has a safety distance of at least 0.5 m from the floor edge) at the floor edge, and after the position is proper, the limiting nuts of all the screw rods 18 are adjusted to jack the underframe 1, so that the universal wheels 9 are slightly separated from the ground, and the hoisting gun carrier is braked.

Further, a reinforcing plate 22 is welded between the screw 18 and the support plate 19.

Further, the underframe 1 is formed by welding square pipes, and a gasket 23 is arranged between the upper limiting nut 20 and the underframe 1.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A hoisting gun carriage comprises a bottom frame, universal wheels are rotatably arranged at the bottom of the bottom frame, and a suspension arm, a winch, a balance weight and a motor for driving the winch are arranged at the upper part of the bottom frame;

the suspension arm comprises a front suspension arm, a rear suspension arm, a connecting top plate, a main fixed pulley and an auxiliary fixed pulley;

the two front suspension arms are respectively arranged on two sides of the bottom frame, the bottom ends of the two front suspension arms are connected with the bottom frame, the top ends of the two front suspension arms incline towards the front of the bottom frame, and the top ends of the two front suspension arms are connected through a connecting top plate;

the main fixed pulley and the auxiliary fixed pulley are both arranged on the connecting top plate;

the two rear suspension arms are respectively arranged on two sides of the bottom frame, the bottom ends of the two rear suspension arms are connected with the bottom frame and positioned behind the bottom end of the front suspension arm, and the top ends of the two rear suspension arms are inclined towards the front of the bottom frame and connected with the front suspension arm;

the winch comprises a main winch and an auxiliary winch;

the main winch is positioned behind the rear suspension arm, the main steel wire rope is led out from a winding drum of the main winch and penetrates through the main fixed pulley, and the end part of the main winch is provided with a lifting hook;

the auxiliary winch is positioned between the front suspension arm and the rear suspension arm, the auxiliary steel wire rope is led out from a winding drum of the auxiliary winch, passes through the auxiliary fixed pulley, and the end part of the auxiliary winch is provided with a falling protector;

the counterweight is positioned behind the main winch.

2. The hoisting gun carriage according to claim 1, characterized in that the underframe is provided with a front bottom engaging lug and a rear bottom engaging lug, and the front boom is provided with a top engaging lug;

the bottom end of the front suspension arm is connected with the front bottom connecting lug through a pin;

the two ends of the rear suspension arm are connected with the rear bottom connecting lug and the top connecting lug through pins.

3. The hoisting gun carrier according to claim 2, characterized in that a hauling rope for connecting with a stressed part or a ground anchor in a building is arranged behind the underframe.

4. The hoisting gun carriage according to claim 3, characterized in that a limit stop is arranged on the main wire rope;

the position that lies in main hoist engine the place ahead on the chassis is provided with the limiting plate, is provided with spacing hole on the limiting plate, installs limit switch on the spacing hole, and main wire rope passes spacing hole, and limit switch detects limit stop, the hoist outage.

5. The hoisting gun carriage according to claim 4, characterized in that upper and lower sets of limiting carrier rollers are rotatably arranged on the limiting hole, and the main steel wire rope passes through the space between the upper and lower sets of limiting carrier rollers.

6. The hoisting gun carriage according to any one of claims 1-5, further comprising a braking mechanism;

the braking mechanism comprises a screw rod penetrating through the underframe, a supporting plate fixed at the bottom end of the screw rod, and an upper limiting nut and a lower limiting nut which are sleeved on the screw rod;

the upper limiting nut and the lower limiting nut are respectively positioned on two sides of the underframe.

7. The hoisting gun trolley according to claim 6, characterized in that a reinforcing plate is welded between the screw and the support plate.

8. The hoisting gun carriage according to claim 7, characterized in that the underframe is formed by welding square pipes, and a gasket is arranged between the upper limiting nut and the underframe.