CN217481295U

CN217481295U - Folding type steel bar trolley

Info

Publication number: CN217481295U
Application number: CN202123330024.8U
Authority: CN
Inventors: 韩甘霖; 韩永锦; 周金松; 安波波
Original assignee: Luoyang Zhongtian Machinary Manufacturing Co ltd
Current assignee: Luoyang Zhongtian Machinary Manufacturing Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-09-23
Anticipated expiration: 2031-12-28

Abstract

A folding steel bar trolley comprises a chassis, wherein a first rotating arm is hinged to the chassis; the first rotating arm is hinged with a second rotating arm and a first oil cylinder, and the second rotating arm is hinged with a steel bar hanging frame and a second oil cylinder; the steel bar hanging rack moves along the circumferential direction of the tunnel arch surface and is used for assisting an operator to tie the transverse steel bars on the arch steel bars; the steel bar hanging rack is provided with a containing groove for containing the transverse steel bars, a jacking cylinder for pushing out the transverse steel bars in the containing groove one by one, and a rotating arm for grabbing the transverse steel bars pushed out of the containing groove and rotating the transverse steel bars to one side of the arched steel bars. The trafficability characteristic can be improved by a wide margin after first rocking arm and the folding of second rocking arm, not only reduce the transition degree of difficulty of this reinforcing bar platform truck, increased the length of pouring of two linings moreover, reduce the safe risk of construction. Because the reinforcing steel bar hanging rack can move along the circumferential direction of the tunnel arch surface, the reinforcing steel bar trolley is suitable for the construction operation of different tunnel arch surfaces, and the repeated investment of construction equipment is avoided.

Description

Foldable reinforcing steel bar trolley

Technical Field

The utility model belongs to the technical field of tunnel engineering equipment and specifically relates to a foldable reinforcing bar platform truck is related to.

Background

The excavation of tunnels requires the use of special equipment and trolleys. As shown in fig. 1, in addition to the excavation equipment, the support of the tunnel requires an arch erecting machine, a reinforcement bar laying trolley, a formwork trolley and a maintenance trolley. The strength of the primary lining is not high, and the primary lining is not safe and needs to be reinforced in time by the secondary lining. The vertical arch machine is positioned at the foremost end of the trolley and is used for supporting the vertical arch of the primary lining of the tunnel. The steel bar cloth hanging trolley has two functions, namely, cloth hanging and water proofing are carried out on the arch surface of the primary lining, and the steel bar is built to prepare for pouring of the secondary lining. The template trolley and the maintenance trolley are positioned at the rear end of the steel bar cloth hanging trolley and are respectively used for pouring the second lining and maintaining the second lining. Cloth platform truck, template platform truck and maintenance platform truck are hung to the reinforcing bar all have huge frame body, and personnel and vehicle pass through from the frame body. As can be seen from fig. 1, this construction operation is pulsating, moving forward step by step. At present, the following problems exist in the construction mode:

1. the pouring progress of the two linings is limited by the laying progress of the arch erecting machine and the construction track and is also influenced by the length of the body of the steel bar cloth hanging trolley. The length of the body of the steel bar cloth hanging trolley is generally 12 meters, and if the primary lining of the length cannot be reinforced in time by the secondary lining, the safety risk of construction can be increased.

2. The existing steel bar cloth hanging trolley is provided with an arched portal which is close to the tunnel arch surface, the arched portal is huge in size, and the trafficability characteristic of a road is poor, so that the transition is difficult.

3. Because the arch surface shape of the tunnel is not necessarily the same, the arch portal of the prior steel bar cloth hanging trolley can not be suitable for all tunnel arch surfaces, so that the universality is not strong, and the construction cost is indirectly improved.

SUMMERY OF THE UTILITY MODEL

In order to overcome not enough in the background art, the utility model discloses a foldable reinforcing bar platform truck adopts following technical scheme:

a folding steel bar trolley comprises a chassis used for walking in a tunnel, wherein the chassis is hinged with a first rotating arm; the first rotating arm is hinged with a second rotating arm and a first oil cylinder, and the first oil cylinder is used for pushing the second rotating arm to rotate relative to the first rotating arm; the second rotating arm is hinged with a steel bar hanging frame and a second oil cylinder, and the second oil cylinder is used for pushing the steel bar hanging frame to rotate relative to the second rotating arm;

the steel bar hanging rack moves along the circumferential direction of the tunnel arch surface and is used for assisting an operator to tie the transverse steel bars on the arch steel bars; the steel bar hanging rack is provided with a containing groove for containing the transverse steel bars, a jacking cylinder for pushing out the transverse steel bars in the containing groove one by one, and a rotating arm for grabbing the transverse steel bars pushed out of the containing groove and rotating the transverse steel bars to one side of the arched steel bars.

The technical scheme is further improved, a track is arranged in the tunnel, a chassis is provided with a traveling wheel driven by a traveling motor, and the traveling wheel travels along the track; the chassis is also provided with a rotary oil cylinder which is used for driving the first rotating arm to rotate.

Further improve technical scheme, the steel bar stores pylon has the articulated shaft with the articulated of second rocking arm, and the both ends of articulated shaft are equipped with the plate body perpendicular with the articulated shaft, the plate body have the holding tank.

The technical scheme is further improved, a first connecting shaft and a second connecting shaft are arranged between the two plate bodies; the number of the rotating arms is at least two, and the rotating arms are hinged to the first connecting shaft; the second connecting shaft is hinged with a third oil cylinder, and the third oil cylinder is used for pushing the rotating arm to rotate.

Further improve technical scheme, the free end of swinging boom is equipped with the electro-magnet, and the electro-magnet is used for snatching the horizontal reinforcing bar of following holding the groove ejecting.

The technical scheme is further improved, the connecting plates are arranged between the two plate bodies, and the two jacking cylinders are respectively arranged on two sides of the connecting plates.

The technical scheme is further improved, and hanging basket platforms are hung at two ends of the hinge shaft respectively and used for bearing operators.

Owing to adopt above-mentioned technical scheme, compare the background art, the utility model discloses following beneficial effect has:

the utility model discloses can avoid the reinforcing bar to hang the influence of cloth platform truck automobile body length, increase two linings pour length, reduce the safe risk of construction. The trafficability characteristic can be improved by a wide margin after first rocking arm and second rocking arm are folding, reduces the transition degree of difficulty of this reinforcing bar platform truck. Under the synergistic effect of rotatory hydro-cylinder, first hydro-cylinder and second hydro-cylinder, the reinforcing bar stores pylon can be followed the circumference removal of tunnel archway face, therefore this reinforcing bar platform truck is adapted to the construction operation of different tunnel archways, has avoided construction equipment's repeated input.

The utility model discloses assistant operator has realized laying two lining reinforcing bars, and degree of mechanization is high, improved the efficiency of construction height.

Drawings

Fig. 1 is a schematic view of a conventional tunnel secondary lining construction.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3-4 are schematic diagrams of the present invention during construction.

Fig. 5 is a schematic structural view of the steel bar hanger.

Fig. 6 is a schematic view of the present invention in the second lining construction.

In the figure: 1. a tunnel; 11. constructing a track; 12. primary lining; 13. a second liner; 2. a chassis; 3. a first rotating arm; 4. a second rotating arm; 5. a steel bar hanging rack; 51. hinging a shaft; 52. a plate body; 53. a first connecting shaft; 54. a second connecting shaft; 55. a connecting plate; 56. a jacking cylinder; 57. a rotating arm; 58. an electromagnet; 59. a third oil cylinder; 6. a first oil cylinder; 7. a second cylinder; 8. a basket platform; 9. transverse reinforcing steel bars; 10. arched reinforcing steel bars; 100. erecting an arch machine; 200. a steel bar cloth hanging trolley; 300. a template trolley; 400. and (5) maintaining the trolley.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "front", "rear", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

A collapsible trolley, shown in figure 2, comprises a chassis 2 for travelling within a tunnel 1. Usually, a construction track 11 is laid in the tunnel 1, and therefore the chassis 2 is provided with a traveling wheel driven by a traveling motor, and the traveling wheel can travel along the construction track 11 and move via the construction track 11.

The chassis 2 is hinged with a first rotating arm 3, and a rotating oil cylinder is arranged in the chassis 2 and used for driving the first rotating arm 3 to rotate. The free end of the first rotating arm 3 is hinged with a second rotating arm 4 and a first oil cylinder 6, and the first oil cylinder 6 is used for pushing the second rotating arm 4 to rotate relative to the first rotating arm 3. The free end of the second rotating arm 4 is hinged with a steel bar hanging frame 5 and a second oil cylinder 7, and the second oil cylinder 7 is used for pushing the steel bar hanging frame 5 to rotate relative to the second rotating arm 4. As shown in fig. 3-4, the reinforcing steel bar hanger 5 can move along the circumferential direction of the arch surface of the tunnel 1 by the cooperation of the rotary cylinder, the first cylinder 6 and the second cylinder 7. It is worth noting that the trafficability characteristic can be greatly improved and the transition difficulty of the steel bar trolley can be reduced after the first rotating arm 3 and the second rotating arm 4 are folded.

The rebar hanger 5 is used to assist an operator in tying the transverse rebar 9 to the arch rebar 10. The length of the transverse steel bar 9 is generally 12 meters, and the length of the steel bar hanging rack 5 is 9 meters. The construction of the two lining 13 steel bars comprises the laying of the arch steel bars 10 and the laying of the transverse steel bars 9. The arch-shaped reinforcing steel bars 10 are laid along the section of the arch surface and fixed on the primary lining 12. The arched reinforcing bars 10 are spaced apart a large distance and laid in a small number. The transverse steel bars 9 are laid along the extending direction of the tunnel 1 and tied on the arch-shaped steel bars 10 through iron wires. The transverse bars 9 are spaced apart a small distance and are laid in a large number, and most of the transverse bars 9 are laid at a height exceeding the operating height of the operator. The arch reinforcing steel bars 10 can be laid on the ground for overturning and fixing operation, and the transverse reinforcing steel bars 9 can be bound and fixed on the arch reinforcing steel bars 10 only by means of a trolley.

In order to reduce the difficulty of laying the transverse steel bars 9, as shown in fig. 5, the steel bar hanger 5 has a hinge shaft 51 hinged to the second rotating arm 4, two ends of the hinge shaft 51 are provided with plate bodies 52 perpendicular to the hinge shaft 51, a first connecting shaft 53, a second connecting shaft 54 and a connecting plate 55 are arranged between the two plate bodies 52, and the telescopic end of the second oil cylinder 7 is hinged to the second connecting shaft 54. Such a frame structure improves the overall strength of the steel bar hanger 5. The two panels 52 have receiving slots which can receive rows of transverse bars 9. This facilitates the continuous laying of the transverse bars 9. Hanging the hanging flower basket platform 8 respectively at articulated shaft 51's both ends, hanging flower basket platform 8 is used for bearing the operator, guarantees operator's safety.

Two jacking cylinders 56 are respectively arranged on two sides of the connecting plate 55, the telescopic ends of the jacking cylinders 56 are provided with L-shaped plates, and the L-shaped plates are supported below the rows of transverse steel bars 9. The lifting cylinder 56 can lift out the highest transverse reinforcing steel bar 9 in the accommodating groove every time the lifting cylinder extends for a certain distance. Three rotating arms 57 are hinged on the first connecting shaft 53, an electromagnet 58 is arranged at the free end of each rotating arm 57, and the electromagnet 58 is used for grabbing the transverse reinforcing steel bars 9 ejected out of the containing groove. A third oil cylinder 59 is hinged on the second connecting shaft 54, and the third oil cylinder 59 is used for pushing the rotating arm 57 to rotate so that the transverse reinforcing steel bar 9 grabbed by the rotating arm 57 is turned to one side of the arched reinforcing steel bar 10. At this time, as shown in fig. 3 to 4, the operator located in the gondola platform 8 ties the transverse bars 9 to the arched bars 10 by wire. The arm 57 is then returned to its initial position ready to grasp the next transverse bar 9.

In the present embodiment, the walking of the chassis 22, the rotation of the first rotating arm 3, the second rotating arm 4, the steel bar hanging rack 5 and the rotating arm 57 can be controlled by the hand-held controller. The operator can move the steel bar hanging rack 5 to the next position through the hand-held controller, and the laying of the next transverse steel bar 9 is completed. After the construction is completed, the first and second swing arms 3 and 4 are folded by the hand-held controller, and then the chassis 2 is moved to the rear of the form and

maintenance trolleys

300 and 400, leaving an operating space, as shown in fig. 6. At this time, the pattern board carriage 300 and the maintenance carriage 400 move forward, and the secondary lining 13 is reinforced at the primary lining 12 portion. Obviously, can avoid reinforcing bar to hang cloth platform truck automobile body length like this to the influence that two linings 13 were pour, increase two linings 13 pour length, reduce the safety risk of construction.

According to the above, the utility model discloses can avoid the reinforcing bar to hang the influence of cloth platform truck automobile body length, increase two lining 13 pour length, reduce the safe risk of construction. Can improve the trafficability characteristic by a wide margin after first rocking arm 3 and second rocking arm 4 are folding, reduce the transition degree of difficulty of this reinforcing bar platform truck. Under the synergism of rotary oil cylinder, first oil cylinder 6 and second oil cylinder 7, reinforcing steel bar hanger 5 can follow the circumferential direction removal of 1 archway in tunnel, so this reinforcing steel bar platform truck is adapted to the construction operation of 1 archway in different tunnels, has avoided construction equipment's repeated input.

The part of the utility model not detailed is prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foldable reinforcing bar platform truck, characterized by: comprises a chassis used for walking in a tunnel, wherein the chassis is hinged with a first rotating arm; the first rotating arm is hinged with a second rotating arm and a first oil cylinder, and the first oil cylinder is used for pushing the second rotating arm to rotate relative to the first rotating arm; the second rotating arm is hinged with a steel bar hanging frame and a second oil cylinder, and the second oil cylinder is used for pushing the steel bar hanging frame to rotate relative to the second rotating arm;

2. A foldable rebar trolley as claimed in claim 1, wherein: a track is arranged in the tunnel, a chassis is provided with a traveling wheel driven by a traveling motor, and the traveling wheel travels along the track; the chassis is also provided with a rotary oil cylinder which is used for driving the first rotating arm to rotate.

3. A foldable rebar trolley as claimed in claim 1, wherein: the steel bar hanging rack is provided with an articulated shaft articulated with the second rotary arm, two ends of the articulated shaft are provided with plate bodies vertical to the articulated shaft, and the plate bodies are provided with the accommodating grooves.

4. A foldable rebar trolley as claimed in claim 3 wherein: a first connecting shaft and a second connecting shaft are arranged between the two plate bodies; the number of the rotating arms is at least two, and the rotating arms are hinged to the first connecting shaft; the second connecting shaft is hinged with a third oil cylinder, and the third oil cylinder is used for pushing the rotating arm to rotate.

5. A foldable rebar trolley as claimed in claim 4, wherein: the free end of the rotating arm is provided with an electromagnet, and the electromagnet is used for grabbing the transverse steel bar ejected out of the containing groove.

6. A foldable rebar trolley as claimed in claim 3 wherein: the middle of the two plate bodies is provided with two connecting plates, and the two jacking cylinders are respectively arranged on two sides of the connecting plates.

7. A foldable rebar trolley as claimed in claim 3 wherein: hanging basket platforms are respectively hung at two ends of the hinged shaft and used for bearing operators.