CN211232085U - Movable trolley frame - Google Patents

Abstract

The utility model discloses a movable trolley frame, comprising a base, four corners of the top of the base are fixedly connected with uprights, the top of the uprights is fixedly connected with a top beam, and the number of the top beams is two One of the two top beams is fixedly connected with two top beams on the opposite side, the number of the two top beams is two, and the opposite side of the two upright columns is fixedly connected with a fixing rod; the utility model passes through the inner cavity of the box. The lifting structure provides power, and then drives the connecting rod and the support plate to move downward through the fixed plate. Under the action of the connecting plate, the two support plates simultaneously drive the shock absorbing structure to move downward to support the base and achieve good stability. function, so that the movable trolley frame can be used at any time during actual use, which improves the stability of the trolley frame and solves the problem of the stability of the existing movable trolley frame during use. Very poor, inconvenient for users to use.

Description

A movable trolley

technical field

The utility model relates to the technical field of trolley frames, in particular to a movable trolley frame.

Background technique

The trolley, the full name of the lining trolley, is mainly used for tunnels, water diversion tunnels, and secondary lining (secondary lining) concrete pouring. It is mainly composed of a gantry frame and a formwork. The gantry frame is mainly load-bearing. The formwork is designed according to the shape of the tunnel. It has the advantages of automatic walking and hydraulic automatic positioning and demoulding.

The movable trolley frame is an important part of the trolley frame field. In order to improve the flexibility of the trolley frame, it is necessary to add a roller structure at the bottom of the existing movable trolley frame. It is easy to slide with a little external force, resulting in extremely poor stability of the existing movable trolley frame during use, which is inconvenient for users to use, and reduces the practicability of the movable trolley frame.

Utility model content

The purpose of the utility model is to provide a movable trolley frame, which has the advantages of good stability and solves the problem that the existing movable trolley frame has extremely poor stability during use and is inconvenient for users to use. .

In order to achieve the above purpose, the present utility model provides the following technical solutions: a movable trolley frame, including a base, the four corners of the top of the base are fixedly connected with uprights, and the top of the uprights is fixedly connected with a top beam, so The number of the first top beams is two, the opposite side of the two top beams is fixedly connected with the top beam two, the number of the two top beams is two, and the opposite side of the two uprights is fixedly connected with a fixing rod, The number of the fixing rods is not less than five, the four corners of the bottom of the base are fixedly connected with a roller structure, the center of the bottom of the base is fixedly connected with a box body, and the bottom of the inner cavity of the box is provided with a lifting structure, Both sides of the lifting structure are fixedly connected with a fixing plate, the front side and the rear side of the fixing plate are fixedly connected with a connecting rod, one side of the connecting rod penetrates to the outer side of the box body and is fixedly connected with a supporting plate Both sides of the box body are provided with movable holes adapted to the connecting rods, the opposite sides of the two support plates are fixedly connected with a connecting plate, and the bottom of the support plates is fixedly connected with a shock absorbing structure.

Preferably, the roller structure includes fixings located at the four corners of the bottom of the base, the fixed bottom is rotatably connected with a roller frame through a bearing, and the inner cavity of the roller frame is movably connected with a roller.

Preferably, the lifting structure includes a motor located at the bottom of the inner cavity of the box, the output shaft of the motor is fixedly connected with a gear 1, and the bottom of the inner cavity of the box is movably connected with a threaded rod through a bearing, and the surface of the threaded rod is movably connected with a threaded rod. A threaded sleeve is threadedly connected, a second gear is fixedly connected to the top of the threaded rod, the second gear is meshed with the first gear, a lifting plate is fixedly connected to the surface of the threaded sleeve, and both sides of the lifting plate are fixed with Board fixed connection.

Preferably, the shock absorbing structure includes a support base located at the bottom of the support plate, a support column is provided through the top of the inner cavity of the support base, a groove is formed at the bottom of the support column, and the inner cavity of the groove is provided with a groove. A shock-absorbing spring is fixedly connected, a fixing ring is fixedly connected to the bottom of the inner cavity of the support base, and the bottom of the shock-absorbing spring is fixedly connected to the support base.

Preferably, the bottom of the support base is fixedly connected with a fixing seat, and the bottom of the fixing seat is provided with anti-skid lines.

Preferably, limit slots are provided on both sides of the inner cavity of the support base, the inner cavity of the limit slot is movably connected to a limit block, and the side of the limit block away from the limit slot is fixedly connected to the support column.

Preferably, a baffle is sleeved on the surface of the threaded rod, and the baffle is circular in shape.

Preferably, the top of the base is provided with a placement groove, and the surface of the placement groove is smooth.

Preferably, the shapes of the two fixing rods located on the left and right sides are both S-shaped.

Preferably, the axis of the first gear and the axis of the second gear are located on the same horizontal line.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

1. The utility model provides power through the lifting structure in the inner cavity of the box, and then drives the connecting rod and the support plate to perform a downward movement through the fixed plate. Under the action of the connecting plate, the two support plates simultaneously drive the shock absorbing structure to move downward, The base is supported to achieve good stability, so that the movable trolley frame can be used at any time during actual use, which improves the stability of the trolley frame and solves the problem of the existing movable trolley frame. The stability of the trolley frame is extremely poor during use, which is inconvenient for users to use.

2. The utility model greatly reduces the friction force between the base and the ground through the arrangement of the roller structure, and improves the flexibility of the trolley frame. The function of lifting the fixed plate.

3. The utility model plays the role of support, shock absorption and buffering through the setting of the shock-absorbing structure, greatly improving the stability of the trolley frame, and improving the friction between the shock-absorbing structure and the ground through the setting of the fixed seat force and contact area, improving the stability of the shock-absorbing structure.

4. The utility model plays the role of limiting and guiding the support column through the cooperative use of the limit groove and the limit block, and improves the stability of the support column when sliding.

5. The utility model can limit the position of the threaded sleeve through the setting of the baffle plate, so as to avoid the excessive downward movement of the threaded sleeve.

Description of drawings

Fig. 1 is the structural representation of the utility model;

FIG. 2 is a top-view cross-sectional three-dimensional schematic diagram of the box structure of the present utility model;

3 is a partial front view of the lifting structure of the present utility model;

FIG. 4 is a front sectional view of the shock absorbing structure of the present invention.

In the figure: 1. Base; 2. Upright column; 3. Top beam 1; 4. Top beam 2; 5. Fixed rod; 6. Roller structure; 61. Fixed; body; 8, lifting structure; 81, motor; 82, gear one; 83, threaded rod; 84, threaded sleeve; 85, gear two; 86, lifting plate; 9, fixing plate; 10, connecting rod; 11, movable hole ; 12, support plate; 13, connecting plate; 14, shock absorption structure; 141, support base; 142, support column; 143, groove; 144, shock absorption spring; 145, fixing ring; 15, fixing seat; 16, Limit slot; 17, limit block; 18, baffle; 19, placement slot.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIG. 1-FIG. 4, the present utility model provides a technical solution: a movable trolley frame, including a base 1, a placement groove 19 is opened on the top of the base 1, the surface of the placement groove 19 is smooth, and the top of the base 1 The four corners are fixedly connected with a column 2, the top of the column 2 is fixedly connected with a top beam one 3, the number of the top beam one 3 is two, the opposite side of the two top beams one 3 is fixedly connected with a top beam two 4, the top beam The number of beams 2 4 is two, and the opposite sides of the two uprights 2 are fixedly connected with fixing rods 5. The shapes of the two fixing rods 5 on the left and right are S-shaped, and the number of the fixing rods 5 is quite large. In five, the four corners of the bottom of the base 1 are fixedly connected with the roller structure 6, the center of the bottom of the base 1 is fixedly connected with a box 7, and the bottom of the inner cavity of the box 7 is provided with a lifting structure 8, and both sides of the lifting structure 8 are fixed. A fixed plate 9 is fixedly connected, and a connecting rod 10 is fixedly connected to the front side and the rear side of the fixed plate 9. One side of the connecting rod 10 penetrates to the outside of the box body 7 and is fixedly connected with a support plate 12. Both sides are provided with movable holes 11 adapted to the connecting rods 10 , the opposite sides of the two support plates 12 are fixedly connected with a connecting plate 13 , the bottom of the support plates 12 is fixedly connected with a shock absorbing structure 14 , and the bottom of the support base 141 is fixedly connected. A fixed seat 15 is fixedly connected, and the bottom of the fixed seat 15 is provided with anti-skid lines. The setting of the fixed seat 15 improves the friction force and contact area between the shock absorption structure 14 and the ground, and improves the stability of the shock absorption structure 14 .

In the present embodiment, the roller structure 6 includes fixed holders 61 located at the four corners of the bottom of the base 1 , the bottom of the fixed holder 61 is rotatably connected to a roller frame 62 through a bearing, and the inner cavity of the roller frame 62 is movably connected to a roller 63 , The setting of , greatly reduces the friction between the base 1 and the ground, and improves the flexibility of the trolley frame.

In this embodiment, the lifting structure 8 includes a motor 81 located at the bottom of the inner cavity of the box body 7. The output shaft of the motor 81 is fixedly connected with a gear 1 82, and the bottom of the inner cavity of the box body 7 is movably connected with a threaded rod 83 through a bearing. The surface of the rod 83 is threadedly connected with a threaded sleeve 84, the top of the threaded rod 83 is fixedly connected with a second gear 85, the second gear 85 is meshed with the first gear 82, the surface of the threaded sleeve 84 is fixedly connected with a lifting plate 86, and the two sides of the lifting plate 86 are fixedly connected. Both sides are fixedly connected with the fixing plate 9. The setting of the baffle 18 can limit the position of the threaded sleeve 84 to avoid excessive downward movement of the threaded sleeve 84. The surface of the threaded rod 83 is sleeved with a baffle 18, and the baffle 18 Its shape is circular, and the axis of gear one 82 and the axis of gear two 85 are on the same horizontal line.

In this embodiment, the shock absorbing structure 14 includes a support base 141 located at the bottom of the support plate 12 , a support column 142 is provided through the top of the inner cavity of the support base 141 , and a groove 143 is formed at the bottom of the support column 142 . A shock-absorbing spring 144 is fixedly connected to the inner cavity, a fixing ring 145 is fixedly connected to the bottom of the inner cavity of the support base 141 , and the bottom of the shock-absorbing spring 144 is fixedly connected to the support base 141 through the cooperation of the limit groove 16 and the limit block 17 . , plays the role of limiting and guiding the support column 142, improving the stability of the support column 142 when sliding, the support base 141 is provided with limit slots 16 on both sides of the inner cavity, and the inner cavity of the limit slot 16 is movably connected The limit block 17, the side of the limit block 17 away from the limit groove 16 is fixedly connected with the support column 142, the damping structure 14 is provided, plays the role of support, shock absorption and buffering, and greatly improves the stability of the trolley frame sex.

In specific use, first the user turns on the motor 81, the motor 81 drives the gear one 82 to rotate, the gear one 82 drives the gear two 85 to rotate through the teeth, the gear two 85 drives the threaded rod 83 to rotate, and the threaded rod 83 drives the threaded sleeve 84 through the thread. To lift, the threaded sleeve 84 drives the lift plate 86 to lift, the lift plate 86 drives the fixed plate 9 to lift, the fixed plate 9 drives the support plate 12 to move through the connecting rod 10, the support plate 12 drives the support column 142 and the support base 141 to move downward, After the fixed seat 15 is in contact with the ground, the support column 142 moves downward in the inner cavity of the support base 141, the groove 143 is forced to shrink, the support column 142 contacts the fixed ring 145, the base 1 is lifted up, and the roller 63 is connected to the ground. Out of contact, that is, to achieve the purpose of good stability.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

The electrical components appearing in this article are all connected with the external main controller and 220V mains, and the main controller can be a conventional known device controlled by a computer or the like.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A movable trolley frame, comprising a base (1), characterized in that: the four corners of the top of the base (1) are fixedly connected with a column (2), and the top of the column (2) is fixedly connected with a column (2). Top beam one (3), the number of the top beam one (3) is two, the opposite side of the two top beams (3) is fixedly connected with top beam two (4), the top beam two (4) ) is two, the opposite sides of the two uprights (2) are fixedly connected with fixing rods (5), the number of the fixing rods (5) is not less than five, and the four corners of the bottom of the base (1) Both are fixedly connected with a roller structure (6), a box body (7) is fixedly connected at the center of the bottom of the base (1), and a lifting structure (8) is arranged at the bottom of the inner cavity of the box body (7). Both sides of the lifting structure (8) are fixedly connected with a fixing plate (9), the front side and the rear side of the fixing plate (9) are fixedly connected with a connecting rod (10), one of the connecting rods (10) is fixedly connected. The side penetrates to the outer side of the box body (7) and is fixedly connected with a support plate (12). A connecting plate (13) is fixedly connected to the opposite side of each support plate (12), and a shock absorbing structure (14) is fixedly connected to the bottom of the support plate (12). 2. A movable trolley frame according to claim 1, characterized in that: the roller structure (6) comprises a fixing (61) located at the four corners of the bottom of the base (1), and the fixing (61) A roller frame (62) is rotatably connected to the bottom of the roller frame (61) through a bearing, and a roller (63) is movably connected to the inner cavity of the roller frame (62). 3 . A movable trolley frame according to claim 1 , wherein the lifting structure ( 8 ) comprises a motor ( 81 ) located at the bottom of the inner cavity of the box ( 7 ), and the motor ( The output shaft of 81) is fixedly connected with a gear one (82), the bottom of the inner cavity of the box body (7) is movably connected with a threaded rod (83) through a bearing, and the surface of the threaded rod (83) is threadedly connected with a threaded sleeve (84), the top of the threaded rod (83) is fixedly connected with a second gear (85), the second gear (85) is engaged with the first gear (82), and the surface of the threaded sleeve (84) is fixedly connected with a A lift plate (86), both sides of the lift plate (86) are fixedly connected with the fixing plate (9). 4. A movable trolley frame according to claim 1, characterized in that: the shock absorbing structure (14) comprises a support base (141) located at the bottom of the support plate (12), the support base (141) A support column (142) is provided through the top of the inner cavity, a groove (143) is formed at the bottom of the support column (142), and a shock-absorbing spring (143) is fixedly connected to the inner cavity of the groove (143). 144), a fixing ring (145) is fixedly connected to the bottom of the inner cavity of the support base (141), and the bottom of the shock-absorbing spring (144) is fixedly connected to the support base (141). 5. A movable trolley frame according to claim 4, characterized in that: the bottom of the support base (141) is fixedly connected with a fixing seat (15), and the bottom of the fixing seat (15) is provided with Has anti-slip patterns. 6. A movable trolley frame according to claim 4, characterized in that: limit slots (16) are provided on both sides of the inner cavity of the support base (141), and the limit slots (16) ) is movably connected to a limiting block (17), and the side of the limiting block (17) away from the limiting groove (16) is fixedly connected to the support column (142). 7. A movable trolley frame according to claim 3, wherein a baffle plate (18) is sleeved on the surface of the threaded rod (83), and the baffle plate (18) has a shape of round. 8 . The movable trolley frame according to claim 1 , wherein a placement groove ( 19 ) is formed on the top of the base ( 1 ), and the surface of the placement groove ( 19 ) is smooth. 9 . 9 . The movable trolley frame according to claim 1 , wherein the two fixing rods ( 5 ) located on the left and right sides are both S-shaped. 10 . 10. A movable trolley frame according to claim 3, wherein the axis of the first gear (82) and the axis of the second gear (85) are located on the same horizontal line.

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