CN213116331U

CN213116331U - Stepping type trolley

Info

Publication number: CN213116331U
Application number: CN202022122849.XU
Authority: CN
Inventors: 徐长华; 张道邦; 陈晓龙
Original assignee: Zhejiang Shunbang Engineering Machinery Equipment Co ltd
Current assignee: Zhejiang Shunbang Engineering Machinery Equipment Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-04
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a stepping type trolley, which comprises a trolley body, wherein two sides of the trolley are provided with side forms, the front end and the rear end of each side form are provided with thick templates, stand columns are arranged in the thick templates, and the stepping type trolley also comprises a first oil cylinder seat, and the first oil cylinder seat is arranged on the thick templates at the front end and the rear end of the trolley body; the supporting columns are arranged at the front end and the rear end of the trolley body; the first oil cylinder is arranged on the upper side of the support column and connected with the first oil cylinder base, and the trolley body can move up and down relative to the support column through the first oil cylinder; the lower longitudinal beam is arranged at the bottom of the trolley body and belongs to one part of the trolley body; the supporting seat is arranged at the lower end of the lower longitudinal beam; and the supporting seat is connected with the lower longitudinal beam through the second oil cylinder, and the trolley body can move back and forth relative to the supporting seat through the second oil cylinder. The advantages are that: the labor force for laying the rails manually is saved.

Description

Stepping type trolley

Technical Field

The utility model relates to a tunnel lining platform truck especially relates to a marching type tunnel lining platform truck.

Background

With the development of economy, the construction of tracks and roads is more and more, and the construction brings great convenience to the life and production of people; in these constructions, many tunnels need to be excavated or constructed, and one construction method in tunnel construction is called lining. Lining refers to a permanent supporting structure built by reinforced concrete and other materials along the periphery of a tunnel body in order to prevent surrounding rocks from deforming or collapsing. Lining technology is generally applied to tunnel engineering and water conservancy channels. The lining is simply that lining is carried out on a tunnel and a cave, one method is to use building blocks for lining, and the other method is to use prestressed high-pressure grouting concrete for lining.

The lining is an inner lining constructed by concrete and other materials under the condition that the tunnel is subjected to primary support, so that the functions of reinforcing the support, optimizing a route waterproof and drainage system, beautifying the appearance, conveniently setting communication, lighting, monitoring and other facilities are achieved, and the requirement of modern expressway tunnel construction is met.

Chinese patent (application number: 2014200951680) discloses a bottom-end-supercharged small-height tunnel lining trolley, wherein a top die assembly is connected with a portal frame cross beam through an upper longitudinal beam; a translation oil cylinder is connected between the upper longitudinal beams; two rows of portal upright posts are symmetrically arranged on two sides below the portal beam; a bottom longitudinal beam is arranged below the portal upright column, and a bottom jack is arranged below the bottom longitudinal beam; the gantry upright post is hinged with the side die assembly through a reinforcing screw rod and a side die oil cylinder; the gantry upright columns at the two ends of the trolley are respectively provided with a jacking oil cylinder seat, and a jacking oil cylinder is connected below the jacking oil cylinder seats; and a traveling system is arranged below the jacking oil cylinder and is connected with the tail end of the bottom longitudinal beam.

The running system of the trolley adopts a rail-running type moving mode of a train, sleepers need to be laid in a tunnel in advance, rails are erected on the sleepers, and then wheels of the trolley run on the rails. However, the moving mode has great disadvantages that the sleepers and the rails are temporarily erected, so that the sleepers and the rails in the tunnel need to be recycled and reused, and after the trolley passes through one section of rail each time, the sleepers and the rails passing through the section can be dismantled by the standing horse and laid on the next section of rail, so that the workload of workers is greatly increased. Rails are made of steel and are heavy, and front and back transport ensures that two sections of rails are aligned and that the distance between the level rails is accurate enough, otherwise a trolley cannot pass through. And if the road section with climbing is met, the travelling wheels can also skid on the rails, so that great labor intensity is brought to operators, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model discloses a marching type does not have portal platform truck no longer needs the rail when the platform truck removes, consequently also no longer need erect the sleeper, and is simple relatively, has saved a large amount of manpowers.

The technical scheme of the utility model as follows:

a stepping trolley comprises a trolley body, wherein side dies are arranged on two sides of the trolley, thick templates are arranged at the front end and the rear end of each side die, stand columns are arranged in the thick templates, and a first oil cylinder seat is arranged on the thick templates at the front end and the rear end of the trolley body; the supporting columns are arranged at the front end and the rear end of the trolley body; the first oil cylinder is arranged on the upper side of the support column and connected with the first oil cylinder base, and the trolley body can move up and down relative to the support column through the first oil cylinder; the lower longitudinal beam is arranged at the bottom of the trolley body and belongs to one part of the trolley body; the supporting seat is arranged at the lower end of the lower longitudinal beam; and the supporting seat is connected with the lower longitudinal beam through the second oil cylinder, and the trolley body can move back and forth relative to the supporting seat through the second oil cylinder.

Furthermore, the supporting seat is provided with a roller wheel, and the roller wheel is erected on the lower longitudinal beam.

Furthermore, the support column is sleeved on the first oil cylinder through an oil cylinder inner sleeve.

Furthermore, the hydraulic control system also comprises an operating valve, wherein the operating valve is used for controlling the opening and closing of the first oil cylinder and the second oil cylinder.

The utility model has the advantages that: the rail no longer need erect, saved a large amount of manpower and materials, and inlayed the stand in thick template to vacate the space, made whole platform truck be no portal structure, the better platform truck that passes through of personnel's vehicle of being convenient for.

Drawings

FIG. 1 is a schematic structural view of the present invention with a side mold removed;

figures 2 to 5 are exploded views of the forward steps of the trolley;

fig. 6 is an overall perspective view of the present invention;

1. a first cylinder; 2. a lower longitudinal beam; 3. operating the valve; 4. an oil cylinder inner sleeve; 5. a support pillar; 6. a roller; 7. a supporting seat; 8. a jack; 9. a second cylinder; 10. a ground surface; 11. a trolley body; 12. side mould; 13. a thick template; 14. a first cylinder block.

Detailed Description

As shown in fig. 1 and 6, in order to make the structure of the entire trolley easier to understand, fig. 1 to 5 delete the side mold 12 relative to fig. 6, the stepping trolley of the present invention comprises a trolley body 11, the side mold 12 is arranged on both sides of the trolley body 11, the thick mold plate 13 is arranged on both front and rear ends of the side mold 12, the thick mold plate 13 and the side mold 12 are integrally formed, the thick mold plate 13 is provided with a column, the stepping trolley further comprises a first oil cylinder seat 14, and the first oil cylinder seat 14 is arranged on the thick mold plate 13 on both front and rear ends of the trolley body 11; the supporting columns 5 are arranged at the front end and the rear end of the trolley body 11; the trolley comprises a first oil cylinder 1, wherein the first oil cylinder 1 is arranged on the upper side of a support pillar 5, the first oil cylinder 1 is connected with a first oil cylinder base 14, and the trolley body 11 moves up and down relative to the support pillar 5 through the first oil cylinder 14; the lower longitudinal beam 2 is arranged at the bottom of the trolley body 11, and belongs to one part of the trolley body 11; the supporting seat 7 is arranged at the lower end of the lower longitudinal beam 2; and the supporting seat 7 is connected with the lower longitudinal beam 2 through the second oil cylinder 9, and the trolley body 11 moves back and forth relative to the supporting seat 7 through the second oil cylinder 9. The supporting seat 7 is provided with a roller 6, and the roller 6 is erected on the lower longitudinal beam 2. The supporting column 7 is sleeved on the first oil cylinder 1 through an oil cylinder inner sleeve 4. The hydraulic control system further comprises an operating valve 3, wherein the operating valve 3 is used for controlling the opening and closing of the first oil cylinder 1 and the second oil cylinder 9.

As shown in fig. 1, when the step-by-step type trolley is used, the first oil cylinder 1 controls the oil cylinder inner sleeve 4 to extend, so that the supporting column 5 extends and is supported on the ground 10, the supporting seat 7 is suspended relative to the ground 10, the jack 8 is placed at the bottom of the supporting seat 7, the supporting seat 7 is supported by the jack 8, and the whole step-by-step type trolley is stable.

As shown in fig. 2 to 5, the step-by-step carriage may move as schematically shown. As shown in fig. 2, when the stepping type trolley needs to be controlled to move back and forth, the jack 8 at the bottom of the supporting seat 7 is taken out; as shown in fig. 3, under the control of the operation valve 3, the first oil cylinder 1 controls the oil cylinder inner sleeve 4 to retract, so as to drive the supporting column 5 to retract, so that the trolley body gradually descends, and the supporting seat 7 contacts the ground 10; as shown in fig. 4, the second cylinder 9 is extended to make the lifting carriage body and the supporting seat 7 relatively displace, the roller 6 connected with the supporting seat 7 slides on the lower longitudinal beam 2, because the supporting seat 7 is fixed on the ground 10 by the gravity of the whole trolley, it is difficult to relatively slide with the ground 10, and no relative displacement occurs between the supporting seat 7 and the ground 10, so the trolley body displaces relative to the ground, which is shown in fig. 4 as the trolley body displaces leftwards relative to the ground 10, when the second cylinder 9 extends the longest distance, as shown in fig. 5, the first cylinder 1 controls the inner cylinder sleeve 4 to extend, so the supporting pillar 5 extends, and supports on the ground 10, the supporting seat 7 suspends relative to the ground 10, the second cylinder 9 retracts, the roller 6 rolls on the lower longitudinal beam 2, at this time, the trolley body does not relatively displace with respect to the ground 10, so the supporting seat 7 returns to the original position, the vehicle lifting body can move in the left direction in the figure relative to the ground 10 by circulating the movement of figures 2 to 5.

Correspondingly, the second oil cylinder 9 is controlled to extend out, the first oil cylinder 1 is controlled to retract, the second oil cylinder 9 is made to retract, and the first oil cylinder 1 is controlled to extend out finally, so that the trolley body can move in the right direction in the figure relative to the ground 10. As shown in fig. 5, 4, 3 and 2.

Claims

1. The utility model provides a marching type platform truck, includes the platform truck body, the platform truck both sides are equipped with side form, its characterized in that:

thick templates are arranged at the front end and the rear end of the side mold, upright posts are arranged in the thick templates,

also comprises

The first oil cylinder base is arranged on the thick templates at the front end and the rear end of the trolley body;

the supporting columns are arranged at the front end and the rear end of the trolley body;

the first oil cylinder is arranged on the upper side of the support column and connected with the first oil cylinder base, and the trolley body can move up and down relative to the support column through the first oil cylinder;

the lower longitudinal beam is arranged at the bottom of the trolley body and belongs to one part of the trolley body;

the supporting seat is arranged at the lower end of the lower longitudinal beam;

and the supporting seat is connected with the lower longitudinal beam through the second oil cylinder, and the trolley body can move back and forth relative to the supporting seat through the second oil cylinder.

2. A step-by-step trolley as claimed in claim 1, wherein: the supporting seat is provided with a roller wheel, and the roller wheel is erected on the lower longitudinal beam.

3. A step-by-step trolley as claimed in claim 1, wherein: the support column is sleeved on the first oil cylinder through an oil cylinder inner sleeve.

4. A step-by-step trolley as claimed in claim 1, wherein: the hydraulic control system further comprises an operating valve, and the operating valve is used for controlling the opening and closing of the first oil cylinder and the second oil cylinder.