CN214031559U

CN214031559U - Construction platform

Info

Publication number: CN214031559U
Application number: CN202023173364.XU
Authority: CN
Inventors: 宋德华; 郭沛霖; 胡燕伟; 阴书玉; 贾金建; 张开; 李明
Original assignee: China Railway Engineering Equipment Group Co Ltd CREG
Current assignee: China Railway Engineering Equipment Group Co Ltd CREG
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-08-24
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a construction platform has solved the technical problem of the unable high efficiency of some heavier tunnel construction equipment, humanized installation in the tunnel construction. The utility model discloses a platform truck, be provided with the lift revolving stage on the platform truck, the lift revolving stage includes the lift unit that links to each other with the platform truck, and the top of lift unit articulates there is the rotating unit, is provided with angle locking mechanism between lift unit and the rotating unit, and the top of rotating unit is provided with the rotation bearing roller, and the axis of rotation bearing roller parallels with the axis of rotating unit. The trolley realizes a walking function, the lifting unit realizes a lifting function, and the rotating unit can meet the conversion of working states and is convenient for placing heavy objects during working. The utility model discloses simple structure, easy and simple to handle, reliability are high, can make some heavier tunnel construction equipment realize high-efficient, humanized installation.

Description

Construction platform

Technical Field

The utility model relates to a tunnel construction technical field especially indicates a construction platform.

Background

The tunnel plays more and more extensive roles in traffic, water conservancy, electric power and municipal engineering, and tunnel construction is continuously developing towards the directions of safety, high efficiency, humanization and high reliability along with the progress of the times. Along with the continuous excavation forward of tunnel, corresponding supporting construction equipment also need continuously extend forward, such as water pipe, dryer, continuous belt feeder, mud pipe, cable and corresponding fixed bolster etc.. The above-mentioned equipment is generally heavier, relies on the manpower alone to be difficult to accomplish the installation work with high efficiency.

Through retrieval, the prior utility model patent with the application date of 2018, 03, 16 and the application number of CN201820359993.5 discloses a lifting device of an air storage barrel, which can be used for lifting and mounting the air storage barrel; utility model patent with application number CN201820312294.5 on application number 03, 07, 2018 discloses a movable quick pipe dismantling device, which can be used for dismantling a mud pipe. But the function is single, can't satisfy the transportation and the installation of water pipe, dryer, continuous belt feeder, mud pipe, cable and corresponding fixed bolster.

Therefore, the problem of how to realize efficient and humanized installation of some heavy tunnel construction equipment in tunnel construction needs to be solved urgently.

Disclosure of Invention

Not enough to among the above-mentioned background art, the utility model provides a construction platform has solved the technical problem of some heavier tunnel construction equipment can't high-efficient, humanized installation in the tunnel construction.

The technical scheme of the utility model is realized like this: the utility model provides a construction platform, includes the platform truck, be provided with the lift revolving stage on the platform truck, the lift revolving stage includes the lift unit that links to each other with the platform truck, and the top of lift unit articulates there is the rotating unit, is provided with angle locking mechanism between lift unit and the rotating unit, and the top of rotating unit is provided with the rotation bearing roller, and the axis of rotation bearing roller parallels with the axis of rotating unit. The trolley realizes a walking function, the lifting unit realizes a lifting function, and the rotating unit can meet the conversion of working states and is convenient for placing heavy objects during working.

Furthermore, the lifting unit is connected to the trolley through the bottom frame, the bottom frame comprises a vertical guide rail connected to the trolley, the lifting unit comprises a guide pillar matched with the vertical guide rail, and an oil cylinder or an air cylinder or an electric push rod for driving the guide pillar to move up and down is arranged between the guide pillar and the trolley. Through the cooperation of hydro-cylinder and guide rail and guide pillar, can realize high-efficient, convenient, safe raising and lowering functions.

Furthermore, the top end of the guide pillar is provided with a rotating pin shaft, the rotating unit comprises a base frame sleeved on the rotating pin shaft, the rotation carrier rollers are arranged along the axial direction of the base frame, when the base frame rotates to the direction perpendicular to the traveling direction of the trolley, a heavy object is borne, and the positions of the heavy object can be adjusted through the plurality of rotation carrier rollers arranged on the base frame.

Furthermore, the angle locking mechanism comprises a cross hole formed in the rotating pin shaft, one axis of the cross hole is parallel to the traveling direction of the trolley, the other axis of the cross hole is perpendicular to the traveling direction of the trolley, a mounting hole opposite to the cross hole is formed in the base frame, and a bolt which is in threaded fit with the cross hole is formed in the mounting hole.

Furthermore, the bolt is the spring index pin, and spring index pin threaded connection has both improved the regulation convenience on the bed frame, has avoided the bolt to lose again.

Furthermore, the middle section of the vertical guide rail is connected with a fixing plate and an oil cylinder lug seat, the fixing plate is connected to the upper end face of the trolley, and the lower end part of the vertical guide rail extends to the lower part of the trolley.

Furthermore, a mounting hole is formed in one side of the fixing plate, the rod-free end of the oil cylinder penetrates through the mounting hole to be connected to the oil cylinder lug seat, and the rod end of the oil cylinder is connected with the guide pillar through an oil cylinder pin shaft.

Furthermore, the rodless end of the oil cylinder is hinged with an oil cylinder lug seat.

Furthermore, the vertical guide rail and the guide pillar are square steel pipes which are nested with each other.

The utility model has the advantages that:

1. the device has two states of working and non-working, and the two states can be conveniently converted. When the tunnel is in a non-working state, the volume can be reduced, the occupied space of the tunnel is reduced, and the trafficability characteristic in the tunnel is improved; can go up and down and rotate during operating condition, the heavy object of being convenient for is placed, and can adjust the position of heavy object through the bearing roller, the transportation and the installation of the heavy object of being convenient for.

2. Simple structure, easy and simple to handle, the reliability is high, can make some heavier tunnel construction equipment realize high-efficient, humanized installation.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.

FIG. 1 is a non-operating state diagram of the present invention;

FIG. 2 is a diagram illustrating the operation of the present invention;

FIG. 3 is a diagram of the non-operating state of the present invention in a tunnel;

FIG. 4 is a diagram of the working state of the present invention in the tunnel;

FIG. 5 is an enlarged view of the elevating rotary table of the present invention;

fig. 6 (a) is a partial sectional view of fig. 5, and (b) is a partial enlarged view of (a);

FIG. 7 is a cross-sectional view taken along the line A-A in FIG. 6;

FIG. 8 is a cross-sectional view of the spring index pin of FIG. 7 with the pin removed;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 6;

in fig. 1: 1-underframe, 101-vertical guide rail, 102-oil cylinder lug seat, 103-fixed plate;

2-lifting unit, 201-guide pillar, 202-oil cylinder pin shaft, 203-rotating pin shaft;

3-rotating unit, 301-base frame, 302-autorotation carrier roller;

4-oil cylinder, 401-without rod end, 402-with rod end;

5-spring index pin;

6, turning to a trolley;

10-lifting rotary table.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

A construction platform, as shown in FIG. 1, includes a carriage 6 and two elevating rotary tables 10 fixedly mounted on the carriage 6. As shown in fig. 5, the elevating rotary table 10 includes: the device comprises an underframe 1, a lifting unit 2, a rotating unit 3, an oil cylinder 4 and a spring indexing pin 5. For ease of illustration, a rectangular coordinate system is established as shown in FIG. 1, with the z-axis oriented vertically upward and the y-axis parallel to the tunnel axis.

The chassis 1 comprises a vertical guide rail 101, an oil cylinder lug 102 and a fixing plate 103. The vertical guide rail 101 is used for the lifting unit 2 to reciprocate up and down, the cylinder lug 102 is used for installing a rodless end 401 of the cylinder 4, and the fixing plate 103 is connected with the upper end face of the trolley 6 through a bolt, so that the whole lifting rotating platform 10 is fixed on the trolley 6. The fixing plate 103 is provided with a mounting hole for the oil cylinder 4 to pass through.

The lifting unit 2 comprises a guide pillar 201, an oil cylinder pin 202 and a rotating pin 203. The guide post 201 reciprocates up and down in the vertical guide rail 101 as shown in fig. 6 and 9. In this embodiment, the vertical guide rail 101 and the guide pillar 201 are square steel pipes nested with each other. The cylinder pin 202 is used to fixedly mount the rod end 402 of the cylinder 4. The swivel pin 203 allows the swivel frame to rotate freely about the z-axis. As shown in fig. 7 and 8, the rotating pin 203 has cross holes parallel to the x-axis and the y-axis in the xoy plane, so as to facilitate the indexing positioning of the rotating unit 3.

The rotating unit 3 comprises a base frame 301 and a rotation carrier roller 302. The base frame 301 rotates freely around the rotating pin 203, as shown in fig. 3, and when the trolley 6 does not work, the initial state as shown in fig. 1 is kept, so that the volume of the whole structure is kept to be minimum, and the trafficability in the tunnel is improved. The spinning idler 302 is mounted on the base frame 301 to spin about its axis as shown in figure 5. As shown in figure 2, when the trolley 6 works normally and lifts the weight, the idler roller can rotate due to 302 rotation, so that the weight can be finely adjusted along the y direction, and the installation is convenient.

The oil cylinder 4 comprises a rodless end 401 and a rod end 402, the rodless end 401 is hinged to the oil cylinder lug 102 through a pin shaft of the rodless end 401, and the rod end 402 is fixed with the guide pillar 201 through the oil cylinder pin shaft 202. The inner cavity of the rodless end 401 can be filled with hydraulic oil with a certain pressure, so that the lifting rotating table 10 can be lifted, and further, the weight has the moving freedom degree in the z direction.

The spring indexing pin 5 is screwed to the base frame 301. As shown in fig. 8, when the rotary unit 3 is to be rotated, the rotational freedom of the rotary unit 3 about the z-axis is released by pulling the spring index pin 5; when the rotary unit 3 is to be fixed, the spring index pin 5 is released 5, as shown in figure 7, and the rotational freedom about the z-axis is constrained as shown in figure 7.

The utility model discloses there are two states, unoperated state and operating condition promptly.

And (3) non-working state: as shown in fig. 1, the rod end 402 of the cylinder 4 is completely retracted, the guide post 201 of the lifting unit 2 is completely retracted, the rotation unit 3 is parallel to the y-axis, and the spring index pin 5 is inserted into a hole parallel to the x-axis on the rotation pin shaft 203, so that the rotation degree of freedom of the rotation unit 3 around the z-axis is restricted. The whole device keeps the volume to the minimum, reduces the occupied space of the tunnel, and improves the trafficability in the tunnel as shown in figure 3.

The working state is as follows: as shown in fig. 2 and 8, the spring index pin 5 is pulled, the degree of freedom of rotation of the rotary unit 3 about the z-axis is released, and the rotary unit 3 is rotated 90 degrees about the rotary pin 203 to be parallel to the x-axis. The spring index pin 5 is released and inserted into a hole in the rotation pin 203 parallel to the y-axis, the rotation unit 3 is fixed, and a heavy object is placed on the rotation unit 3. The rod end 402 of the cylinder 4 is then extended and the guide post 201 of the lifting unit 2 is extended while the swivel unit 3 is raised. When the weight is lifted to a proper position, as shown in fig. 4, the rotation idler 302 can rotate, so that the weight can be finely adjusted to a proper position along the y axis, and the installation is convenient, as shown in fig. 2. After the work is finished, the whole device is restored to a non-working state.

The present invention is not exhaustive and is well known to those skilled in the art.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A construction platform, includes platform truck (6), its characterized in that: the automatic lifting platform is characterized in that a lifting rotary platform (10) is arranged on the trolley (6), the lifting rotary platform (10) comprises a lifting unit (2) connected with the trolley (6), a rotating unit (3) is hinged to the top end of the lifting unit (2), an angle locking mechanism is arranged between the lifting unit (2) and the rotating unit (3), an autorotation carrier roller (302) is arranged at the top end of the rotating unit (3), and the axis of the autorotation carrier roller (302) is parallel to the axis of the rotating unit (3).

2. The construction platform of claim 1, wherein: the lifting unit (2) is connected to the trolley (6) through the bottom frame (1), the bottom frame (1) comprises a vertical guide rail (101) connected to the trolley (6), the lifting unit (2) comprises a guide pillar (201) matched with the vertical guide rail (101), and an oil cylinder (4) or an air cylinder or an electric push rod which drives the guide pillar (201) to move up and down is arranged between the guide pillar (201) and the trolley.

3. The construction platform of claim 2, wherein: the top end of the guide pillar (201) is provided with a rotating pin shaft (203), the rotating unit (3) comprises a base frame (301) sleeved on the rotating pin shaft (203), and the autorotation carrier roller (302) is arranged along the axial direction of the base frame (301).

4. The construction platform of claim 3, wherein: the angle locking mechanism comprises a cross hole formed in a rotating pin shaft (203), one axis of the cross hole is parallel to the traveling direction of the trolley, the other axis of the cross hole is perpendicular to the traveling direction of the trolley, a mounting hole opposite to the cross hole is formed in the base frame (301), and a bolt which is in inserting fit with the cross hole is arranged in the mounting hole.

5. The construction platform of claim 4, wherein: the bolt is a spring indexing pin (5), and the spring indexing pin (5) is in threaded connection with the base frame (301).

6. The construction platform according to any one of claims 2-5, wherein: the middle section of the vertical guide rail (101) is connected with a fixing plate (103) and an oil cylinder lug seat (102), the fixing plate (103) is connected to the upper end face of the trolley (6), and the lower end part of the vertical guide rail (101) extends to the lower part of the trolley (6).

7. The construction platform of claim 6, wherein: one side of the fixing plate (103) is provided with a mounting hole, a rodless end (401) of the oil cylinder (4) penetrates through the mounting hole to be connected to the oil cylinder lug seat (102), and a rod end (402) of the oil cylinder (4) is connected with the guide pillar (201) through an oil cylinder pin shaft (202).

8. The construction platform of claim 7, wherein: and a rodless end (401) of the oil cylinder (4) is hinged with the oil cylinder lug seat (102).

9. The construction platform according to any one of claims 2-5, 7-8, wherein: the vertical guide rail (101) and the guide pillar (201) are square steel pipes which are nested with each other.