Safety protection structure with good stability for bogie frame

Abstract

The utility model discloses a safety protection structure with good stability for a trolley frame, which relates to the technical field of trolley frames and comprises a trolley frame body, the top end of the trolley frame body is connected with a top plate through a height adjusting mechanism, main protection plates are arranged on the front side and the back side of the top plate, and side protection plates are rotatably connected to two sides of each main protection plate. First mounting plates are connected to the two sides of the bottom end of the main protection plate through bolts, second mounting plates are arranged on the two sides of the top of the front face of the trolley frame body and the two sides of the top of the back face of the trolley frame body, and obliquely-arranged reinforcing columns are connected between the first mounting plates and the second mounting plates; the protective device has the advantages that the front portion and the rear portion of the trolley frame body are protected through cooperation of the two main protective plates, the side faces are protected through cooperation of the main protective plates and the side protective plates, the protective angle of the side protective plates can be adjusted according to specific conditions in a tunnel, rockfall can be shielded, and workers are prevented from being injured.

Description

Technical Field

[0001] The utility model relates to a safety protection structure, in particular to a safety protection structure for a trolley frame with good stability, belonging to the technical field of trolley frames. Background Art

[0002] The trolley, whose full name is lining trolley, is mainly used for concrete pouring in tunnels, diversion tunnels and secondary linings. The trolley is divided into two structures, one is the walking type and the other is the needle beam type. The trolley is mainly composed of a gantry and a formwork. The gantry is mainly load-bearing and the formwork is designed according to the shape of the tunnel. It has the advantages of automatic walking and hydraulic automatic positioning and demoulding.

[0003] Among them, the "a trolley frame for tunnel construction" disclosed in the application number "CN202321042277.1" is also an increasingly mature technology, including: a frame body; two crawlers, which are respectively arranged on both sides of the bottom of the frame body; a first driving mechanism, the first driving mechanism is used to drive the crawlers to rotate; a supporting device, the supporting device is used to support the frame body when the crawlers stop working; a workbench, the workbench is arranged on both sides of the frame; a lifting platform, the lifting platform is slidably arranged on the workbench along the length direction of the workbench; a second driving mechanism, the second driving mechanism is used to drive the lifting platform to slide on the workbench. The utility model does not need to change the structure of the traditional trolley frame, but a movable lifting platform is set on the workbench to achieve the working requirements within a certain height range. After further searching, the "a foldable trolley frame" disclosed in the application number "CN201921968879.3" includes two columns one and two columns two, the bottoms of the columns one and two are fixedly connected with universal pulleys, the two columns one and two columns two are fixedly connected with connecting arms one, the tops between the columns one and two are fixedly connected with fixed blocks, and the fixed A movable arm is movably installed on one side of the fixed block through a hinge, and the tops of the two movable arms are movably installed through hinges. The utility model solves the problem that traditional trolley frames are all welded, and the trolley frames take up a large space when not in use, which brings many inconveniences to users, and the placement rack on the trolley frame cannot block the placement plate, which makes the placement plate prone to slipping during the movement of the trolley frame. The foldable trolley frame can be folded when not in use, effectively reducing the space occupied by the trolley frame, and the trolley frame can prevent the placement plate from slipping when in use, providing convenience to users.

[0004] However, the above method still has the following defects in actual use: lack of protection for the front and rear of the trolley frame, which can easily cause injuries to workers on the top of the trolley due to falling gravel. Therefore, the utility model provides a safety protection structure for a trolley frame with good stability. Utility Model Content

[0005] The utility model aims to provide a safety protection structure for a trolley frame with good stability, so as to solve the problem of lack of protection for the front and rear of the trolley frame proposed in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety protection structure for a trolley frame with good stability, comprising a trolley frame body, the top of the trolley frame body is connected to a top plate through a height adjustment mechanism, main protective plates are provided on the front and back of the top plate, side protective plates are rotatably connected on both sides of the main protective plates, first mounting plates are connected on both sides of the bottom end of the main protective plates by bolts, second mounting plates are provided on both sides of the front top and both sides of the back top of the trolley frame body, and an inclined reinforcing column is connected between the first mounting plate and the second mounting plate.

[0007] As a preferred technical solution of the utility model, both sides of the front top and both sides of the back top of the trolley frame body are connected to mounting seats, the second mounting plate is inserted into the interior of the mounting seat, and the second mounting plate is connected to the mounting seat by bolts.

[0008] As a preferred technical solution of the utility model, rotation grooves are provided on both sides of the main protective plate, a connecting seat is connected to the middle of the top end of the side protective plate, rotation shafts are connected to both sides of the connecting seat, and one end of the rotation shaft is rotatably connected to one side of the rotation groove through a bearing.

[0009] As a preferred technical solution of the utility model, both sides of the bottom end of the main protective plate are connected to a first rotating seat, the middle of one side of the side protective plate is connected to a second rotating seat, and a first hydraulic rod is rotatably connected between the first rotating seat and the second rotating seat.

[0010] As a preferred technical solution of the utility model, both sides of the front side and both sides of the back side of the top plate are connected with plug plates, and both sides of the front side of one of the main protective plates and both sides of the back side of the other main protective plate are provided with positioning grooves, and the plug plates are arranged inside the positioning grooves.

[0011] As a preferred technical solution of the utility model, first screws are threadedly connected on both sides of the bottom end of the main protective plate, a first screw hole is opened in the middle of the bottom end of the insert plate, and the top end of the first screw extends to the inside of the positioning groove and is threadedly connected to the first screw hole.

[0012] As a preferred technical solution of the utility model, the height adjustment mechanism includes four second hydraulic rods and support columns, the four second hydraulic rods are respectively arranged at the four corners of the top end of the trolley frame body, the telescopic end of the second hydraulic rod is connected to the bottom end of the top plate, the support column is arranged on one side of the top end of the trolley frame body, and the internal sliding connection of the support column is a telescopic column.

[0013] As a preferred technical solution of the utility model, the tops of both sides of the support column are threadedly connected with second screws, second screw holes are opened on both sides of the telescopic column, and one end of the second screw passes through one side of the support column and is threadedly connected to the second screw hole.

[0014] Compared with the related art, the safety protection structure for a trolley frame with good stability provided by the utility model has the following beneficial effects:

[0015] The front and rear of the trolley frame body are protected by the cooperation of the two main protective plates. The support of the main protective plates is strengthened by reinforcing columns to make the main protective plates more stable. The sides are protected by the cooperation of the main protective plates and the side protective plates to expand the protection range. The protection angle of the side protective plates can be adjusted according to the specific conditions in the tunnel, thereby blocking falling debris and preventing injuries to workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the exploded structure of the height adjustment mechanism of the utility model;

[0018] Figure 3 It is a schematic diagram of the explosion structure of the top plate of the utility model;

[0019] Figure 4 It is a schematic diagram of the explosion structure of the main protective plate of the utility model.

[0020] In the figure: 1. trolley frame body; 2. top plate; 3. height adjustment mechanism; 4. main protective plate; 5. side protective plate; 6. mounting seat; 7. reinforcement column; 8. first mounting plate; 9. second mounting plate; 10. rotation groove; 11. connecting seat; 12. rotation axis; 13. first rotating seat; 14. second rotating seat; 15. first hydraulic rod; 16. plug plate; 17. positioning groove; 18. first screw; 19. first screw hole; 301. second hydraulic rod; 302. support column; 303. telescopic column; 304. second screw; 305. second screw hole. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1:

[0023] See also Figure 1-4 The utility model provides a safety protection structure for a trolley frame with good stability, including a trolley frame body 1, the top of the trolley frame body 1 is fixedly connected with a top plate 2 through a height adjustment mechanism 3, the front and back of the top plate 2 are fixedly provided with main protection plates 4, the two main protection plates 4 protect the front and rear of the trolley, both sides of the main protection plates 4 are rotatably connected with side protection plates 5, the side protection plates 5 protect the sides of the main protection plates 4 to increase the protection range, both sides of the bottom of the main protection plates 4 are fixedly connected with a first mounting plate 8 by bolts, both sides of the top of the front side of the trolley frame body 1 and both sides of the top of the back side are fixedly provided with second mounting plates 9, an inclined reinforcement column 7 is fixedly connected between the first mounting plate 8 and the second mounting plate 9, and the inclined reinforcement column 7 can strengthen the support of the main protection plate 4, so that the main protection plate 4 is more stable;

[0024] Both sides of the top of the front side of the trolley frame body 1 and both sides of the top of the back side are fixedly connected with mounting seats 6, and the second mounting plate 9 is inserted into the mounting seat 6 from the side to facilitate the installation of the reinforcement column 7. The second mounting plate 9 is fixedly connected to the mounting seat 6 by bolts;

[0025] A rotation groove 10 is provided on both sides of the main protective plate 4, a connection seat 11 is fixedly connected to the middle of the top of the side protective plate 5, and a rotation shaft 12 is fixedly connected to both sides of the connection seat 11. One end of the rotation shaft 12 is rotatably connected to one side of the rotation groove 10 through a bearing, and the rotation shaft 12 limits the rotation direction of the side protective plate 5;

[0026] Both sides of the bottom end of the main protective plate 4 are fixedly connected with a first rotating seat 13, and the middle part of one side of the side protective plate 5 is fixedly connected with a second rotating seat 14. A first hydraulic rod 15 is rotatably connected between the first rotating seat 13 and the second rotating seat 14. The first hydraulic rod 15 is adjusted to provide power for the side protective plate 5, so that the protection angle of the side protective plate 5 can be adjusted;

[0027] Both sides of the front and back of the top plate 2 are fixedly connected with plug plates 16, and both sides of the front of one main protective plate 4 and both sides of the back of the other main protective plate 4 are provided with positioning grooves 17, and the plug plates 16 are fixedly arranged inside the positioning grooves 17. The installation position of the main protective plate 4 is limited by the cooperation between the plug plates 16 and the positioning grooves 17;

[0028] Both sides of the bottom end of the main protective plate 4 are threadedly connected with a first screw rod 18, and a first screw hole 19 is opened in the middle of the bottom end of the insert plate 16. The top end of the first screw rod 18 extends to the inside of the positioning groove 17 and is threadedly connected with the first screw hole 19. The first screw rod 18 is rotated to fix the insert plate 16 inside the positioning groove 17, and then the main protective plate 4 is installed on the trolley frame body 1;

[0029] Specifically, the front and rear of the trolley frame body 1 are protected by two main protective plates 4, and then the first hydraulic rod 15 is adjusted to extend and rotate, thereby driving the side protective plates 5 to rotate. The protection angle of the side protective plates 5 can be adjusted according to the internal conditions of the tunnel, and the sides of the main protective plates 4 can be protected to block fallen debris and prevent injuries to workers.

[0030] Embodiment 2:

[0031] The height adjustment mechanism 3 includes four second hydraulic rods 301 and support columns 302. The four second hydraulic rods 301 are respectively fixedly arranged at the four corners of the top of the trolley frame body 1. The telescopic end of the second hydraulic rod 301 is fixedly connected to the bottom end of the top plate 2. The support column 302 is fixedly arranged on one side of the top of the trolley frame body 1. There are multiple support columns 302, which are equidistantly arranged on both sides of the top of the trolley frame body 1. The inside of the support column 302 is slidably connected with a telescopic column 303. The second hydraulic rod 301 is adjusted to provide power for the top plate 2, so that the height of the working area can be adjusted.

[0032] The tops of both sides of the support column 302 are threadedly connected with second screw rods 304, and both sides of the telescopic column 303 are provided with second screw holes 305. A plurality of second screw holes 305 are provided, which are equidistantly arranged on both sides of the telescopic column 303. One end of the second screw rod 304 passes through one side of the support column 302 and is threadedly connected with the second screw hole 305. The second screw rod 304 is rotated to make the second screw rod 304 rotate into the second screw hole 305, so as to lock the position of the telescopic column 303 and strengthen the support for the top plate 2.

[0033] Specifically, first rotate the second screw rod 304 to rotate the second screw rod 304 out of the second screw hole 305, then adjust the four second hydraulic rods 301 at the same time, so that the second hydraulic rods 301 drive the top plate 2 and the telescopic column 303 to move upward, rotate the second screw rod 304 again to rotate the second screw rod 304 into another second screw hole 305, limit the position of the telescopic column 303, and strengthen the support for the top plate 2.

[0034] When in use, firstly, the second screw rod 304 is rotated in sequence, and the second screw rod 304 is rotated out of the second screw hole 305, so that the telescopic column 303 is out of the limit position, and then the four second hydraulic rods 301 are adjusted at the same time, so that the second hydraulic rods 301 drive the top plate 2 and the telescopic column 303 to move upward, and the second screw rod 304 is rotated again, and the second screw rod 304 is rotated into another second screw hole 305, so that the position of the telescopic column 303 is locked, and the support for the top plate 2 is strengthened;

[0035] Next, place the main protective plate 4 on the front or back of the trolley frame body 1, so that the plug plate 16 enters the positioning groove 17, and then turn the first screw 18 in sequence, turn the first screw 18 into the first screw hole 19, fix the plug plate 16 in the positioning groove 17, and then install the main protective plate 4 to the front or back of the trolley frame body 1, and then insert the second mounting plate 9 at the bottom end of the reinforcing column 7 into the mounting seat 6 from the side, preliminarily limit the installation position, and then connect the first mounting plate 8 with the bottom end of the main protective plate 4 by bolts, and install the second mounting plate 9 to the inside of the mounting seat 6, strengthen the support of the main protective plate 4, and protect the front and rear of the trolley frame body 1;

[0036] Then adjust the first hydraulic rod 15 to extend and rotate, driving the side guard plate 5 to rotate. The protection angle of the side guard plate 5 can be adjusted according to the internal conditions of the tunnel to protect the side of the main guard plate 4 and block falling debris to prevent injuries to workers.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety protection structure for a trolley frame with good stability, comprising a trolley frame body (1), characterized in that: The top of the trolley frame body (1) is connected to a top plate (2) via a height adjustment mechanism (3); the front and back sides of the top plate (2) are provided with main protective plates (4); both sides of the main protective plates (4) are rotatably connected to side protective plates (5); both sides of the bottom end of the main protective plates (4) are connected to a first mounting plate (8) via bolts; both sides of the top of the front side and both sides of the top of the back side of the trolley frame body (1) are provided with a second mounting plate (9); an inclined reinforcing column (7) is connected between the first mounting plate (8) and the second mounting plate (9).

2. A safety protection structure for a trolley frame with good stability according to claim 1, characterized in that: Both sides of the front top and both sides of the back top of the trolley frame body (1) are connected to mounting seats (6), and the second mounting plate (9) is inserted into the interior of the mounting seat (6), and the second mounting plate (9) is connected to the mounting seat (6) by bolts.

3. A safety protection structure for a trolley frame with good stability according to claim 1, characterized in that: The main protective plate (4) is provided with a rotation groove (10) on both sides, the middle part of the top end of the side protective plate (5) is connected to a connecting seat (11), and the two sides of the connecting seat (11) are connected to a rotating shaft (12), and one end of the rotating shaft (12) is rotatably connected to one side of the rotation groove (10) through a bearing.

4. A safety protection structure for a trolley frame with good stability according to claim 1, characterized in that: Both sides of the bottom end of the main protective plate (4) are connected to a first rotating seat (13), the middle of one side of the side protective plate (5) is connected to a second rotating seat (14), and a first hydraulic rod (15) is rotatably connected between the first rotating seat (13) and the second rotating seat (14).

5. A safety protection structure for a trolley frame with good stability according to claim 1, characterized in that: Both sides of the front side and both sides of the back side of the top plate (2) are connected with plug plates (16), and both sides of the front side of one of the main protective plates (4) and both sides of the back side of the other main protective plate (4) are provided with positioning grooves (17), and the plug plates (16) are arranged inside the positioning grooves (17).

6. A safety protection structure for a trolley frame with good stability according to claim 5, characterized in that: Both sides of the bottom end of the main protective plate (4) are threadedly connected with a first screw rod (18), and a first screw hole (19) is opened in the middle of the bottom end of the plug plate (16). The top end of the first screw rod (18) extends to the inside of the positioning groove (17) and is threadedly connected to the first screw hole (19).

7. A safety protection structure for a trolley frame with good stability according to claim 1, characterized in that: The height adjustment mechanism (3) comprises four second hydraulic rods (301) and a support column (302); the four second hydraulic rods (301) are respectively arranged at the four corners of the top end of the trolley frame body (1); the telescopic end of the second hydraulic rod (301) is connected to the bottom end of the top plate (2); the support column (302) is arranged on one side of the top end of the trolley frame body (1); and the support column (302) is slidably connected with a telescopic column (303) inside.

8. A safety protection structure for a trolley frame with good stability according to claim 7, characterized in that: The tops of both sides of the support column (302) are threadedly connected with second screw rods (304), and both sides of the telescopic column (303) are provided with second screw holes (305), and one end of the second screw rod (304) passes through one side of the support column (302) and is threadedly connected to the second screw hole (305).

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