CN103754454B - A kind of movable supporting leg transfer of support frame - Google Patents

Abstract

The invention relates to a movable supporting leg transport support frame, which includes a fixing part for fixing the supporting legs, two side surfaces of the fixing part are connected with adjustment parts for adjusting the inclination angle of the fixing part relative to the horizontal plane, and each adjustment part It includes a support rod hinged with the side of the fixed part, and stoppers fixed on the side of the fixed part and respectively located on both sides of the swing support rod. When the swing support rod is pressed against one of the stoppers, the fixed part is in a flat state , when the swing support rod is in close contact with another block, the fixed part is in an upright state. In the present invention, the supporting legs are fixed on the supporting frame, and it can be laid flat during transportation, so as to facilitate transportation. After being transported to the installation site, the supporting legs and the supporting frame can be directly hoisted at the same time, and the swinging supporting rod of the supporting frame can be adjusted. Leave it in an upright position so that it can be installed directly. It not only facilitates the transportation, but also reduces the workload when installing the supporting legs.

Description

A movable support leg transport support frame

technical field

The invention relates to the field of in-service inspection of nuclear power, in particular to a transport support frame with movable support legs.

Background technique

As shown in Figure 1, the supporting legs of a large-scale nuclear power plant detection robot include a main body 31, a connecting plate 32, and a diagonal strut 33. The planes are connected and perpendicular to the end surface of the tail part 313 , one end of the diagonal strut 33 is connected with the middle part 312 , and the other end is connected with the connecting plate 32 . The accuracy of the supporting leg structure has a great influence on the positioning accuracy of the detection robot, and it must be ensured that the supporting legs are not deformed and damaged during transportation.

Due to the large size of the inspection robot for large nuclear power plants, its components need to be transported to the installation site before installation. The existing support legs that are slightly smaller can be fixed in an upright state with a small support frame and transported by truck to the installation site. Afterwards, the support frame keeps it in an upright state for direct installation, but the larger support legs have the following problems: 1. The size is too large, and the original small support frame cannot fix it; 2. It needs to be firmly fixed during transportation. 3. Due to its high height in the upright state, it needs to be placed flat before transportation, and it needs to be adjusted to the upright state during installation. Therefore, it is necessary to design a support leg that can lie flat And the support frame in the erect state has become a top priority.

Contents of the invention

The object of the present invention is to provide a transport support frame with movable supporting legs.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solution: a movable supporting leg transportation support frame, which includes a fixing part for fixing the supporting leg, and the fixing part includes a supporting part for supporting the supporting leg The base of the lower end of the leg, the frame body fixedly connected with the base, and the lock connected to the upper end of the frame body and used to fix the upper end of the support leg, the lock has at least one, the The two sides of the frame body are connected with adjustment parts for adjusting the inclination angle of the fixed part relative to the horizontal plane, each of the adjustment parts includes a swing support rod hinged with the sides of the frame body, The above-mentioned stoppers on the side of the frame body and respectively located on both sides of the swing support rod. When the swing support rod is pressed against one of the stoppers, the fixed part is in a flat state. When the swing When the support rod is in close contact with another stopper, the fixing part is in an upright state.

Optimally, the frame body includes a plurality of frame body units arranged in parallel and cross bars connected between the frame body units, and each frame body unit includes a lower end that is respectively fixedly connected with the base and mutually forms The acute-angled first support rod and the second support rod are connected with the ends of the first support rod and the second support rod to form a triangular third support rod, and the second support rod is located at the first support rod Below, the lock catch is fixed on the upper end of the third support rod.

Further, the two stoppers of each adjustment part are respectively an upper stopper and a lower stopper, the upper stopper is fixed on the outer wall of the third support bar of the outermost frame unit, and the lower stopper The stopper is fixed on the outer wall of the second support rod of the outermost frame unit, and the level of the upper stopper is higher than the lower stopper, when the swing support rod is pressed against the upper stopper At this time, the fixed part is in a flat state, and when the swing support rod is in close contact with the lower block, the fixed part is in an upright state.

Furthermore, a lower limit block is fixed on the swing support rod, and pin holes are opened on the lower limit block and the lower stop block, when the swing support rod is in close contact with the lower stop block , a lock pin is inserted into the pin hole to fix the swing support rod and the lower block.

Optimally, the base is provided with a positioning block for fixing the lower end of the supporting leg, and a connecting ring is connected between the lower end of the supporting leg and the positioning block.

Optimally, the fixed part and the adjusting part are respectively connected with supporting feet and casters. When the fixed part is in a lying state, the supporting feet are on the ground, and the casters are in the air. When the fixed When the upper part is in the upright state, the casters are on the ground, and the supporting feet are suspended in the air.

The beneficial effect of the present invention is that: the present invention reliably fixes the support legs on the support frame, and can lie flat during transportation, thereby facilitating transportation. After transporting to the installation site, the support legs and the support frame can be directly hoisted at the same time , adjust the swing support rod of the support frame so that it is in an upright state, so that it can be installed directly. It not only facilitates the transportation, but also reduces the workload when installing the supporting legs.

Description of drawings

Accompanying drawing 1 is the fixing method of existing small support leg and support frame;

Accompanying drawing 2 is the perspective view when support frame of the present invention is in erect state;

Accompanying drawing 3 is the perspective view when support frame of the present invention is in lying state;

Accompanying drawing 4 is the three-dimensional view when support leg is fixed on support frame;

In the attached drawings: 1. Fixed part; 2. Adjusting part; 4. Supporting leg; 5. Caster; 6. Connecting buckle; 11. Base; , lock pin; 31, main body; 32, connecting plate; 33, diagonal brace; 121, frame unit; 122, cross bar; 131, lower button; 132, upper button; 212, lower limit block; 221, upper Block; 222, the lower block; 311, the end; 312, the middle; 313, the tail; 1211, the first support rod; 1212, the second support rod; 1213, the third support rod.

detailed description

Below in conjunction with the embodiment shown in the accompanying drawings, the present invention is described in detail as follows:

As shown in Figures 2, 3, and 4, the movable supporting leg transport support frame includes a fixed part 1 for fixing the supporting legs. Regulating part 2, regulating part 2 also can have a plurality of, get two to be optimal.

The fixing part 1 includes a base 11 , a frame body 12 , a locking buckle 13 , a positioning block 111 , supporting feet 4 , casters 5 and a connecting buckle 6 . Each adjusting part 2 includes a swing support rod 21 and two stoppers.

The buckle 13 has an upper buckle 132 and a lower buckle 131 connected by bolts. After the two are assembled, a fixing hole is opened in the center, and the positioning block 111 is fixed on the base 11. The number of them is the same as that of the buckle 13 and the number of supporting legs Same, that is, each support leg needs a positioning block 111 and a lock 13 to fix, the end 311 of the support leg is fixed in the fixing hole of the lock 13, and the tail 313 is fixed on the positioning block 111 by the connecting ring 6 or directly It is sleeved on the positioning block 111, and its connection mode with the positioning block 111 is determined according to the shape of the supporting leg.

The frame body 12 includes a plurality of frame body units 121 arranged in parallel and crossbars 122 connected between the frame body units 121. Each frame body unit 121 includes a second bottom end that is fixedly connected to the base 11 and forms an acute angle with each other. A support rod 1211 and a second support rod 1212 are connected with the ends of the first support rod 1211 and the second support rod 1212 to form a triangular third support rod 1213, and the second support rod 1212 is located below the first support rod 1211 , the lower buckle 131 of the lock buckle 13 is fixed on the upper end of the third support rod 1213 . In this embodiment, there are three frame units 121 in total, and the frame unit 121 in the middle does not have the first support rod 1211 , and the first support rod 1211 does not need to be provided because the strength can meet the requirements.

Support feet 4 and casters 5 for support are installed on the base 11 and the swing support rod 21. The two stoppers of each adjustment part 2 are an upper stopper 221 and a lower stopper 222 respectively, and the upper stopper 221 is fixed on the outermost side. On the outer wall of the third support rod 1213 of the frame unit 121, the lower stopper 222 is fixed on the outer wall of the second support rod 1212 of the outermost frame unit 121, and the level of the upper stopper 221 is higher than Lower block 222 . When the swing support rod 21 is pressed against the upper block 221, the fixed part 1 is in a lying state, the supporting feet 4 are on the ground, and the casters 5 are in the air. When the swing support rod 21 is in close contact with the lower block 222, the fixed part 1 is in an upright state, the caster 5 is on the ground, and the support feet 4 are suspended in the air.

The lower limit block 212 is fixed on the swing support rod 21, and the lower limit block 212 and the lower stop block 222 are provided with pin holes. The locking pin 23 that makes the swing support rod 21 and the lower stopper 222 fixed.

In this embodiment, the above-mentioned supporting rods are mostly made of standard profile frames.

In summary, the present invention has the following advantages: the present invention enables the support frame to switch between the lying (transportation) state and the erect (use) state through the upper stopper and the lower stopper, the operation is simple, and the time for switching between the two states is reduced ;It is convenient to fix in the container and hoist the equipment as a whole during transportation; install casters and supporting feet, and realize the functions of portable installation and convenient transportation under the premise of satisfying the supporting function of the entire equipment; the support frame is in a flat (transportation) state At the same time, the swing support rod is naturally locked by the upper stopper under the action of gravity; a large number of standard profile frames are used to shorten the production cycle and reduce production costs.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention shall fall within the protection scope of the present invention.

Claims (4)

1. a movable supporting leg transfer of support frame, it comprises the fixed part (1) for fixing described supporting leg, described fixed part (1) comprises the base (11) of the lower end for supporting described supporting leg, the support body (12) be fixedly connected with described base (11) and be connected to described support body (12) upper end and for the snap close (13) of fixing described supporting leg upper end, described snap close (13) has one at least, it is characterized in that: two sides of described support body (12) are connected with the adjusting portion (2) for adjusting fixed part (1) angle of inclination with respect to the horizontal plane, each described adjusting portion (2) comprises the swinging support bar (21) with the side phase hinge of described support body (12), to be fixed on described support body (12) side and to lay respectively at the block of swinging support bar (21) both sides, when described swinging support bar (21) is with time wherein one piece of block offsets, described fixed part (1) is in lying status, when described swinging support bar (21) is adjacent to another block block, described fixed part (1) is in erected state, the cross bar (122) that described support body (12) comprises multiple support body unit (121) arranged in parallel and is connected between support body unit (121), each support body unit (121) comprises bottom and is fixedly connected with described base (11) respectively and acutangulate first strut bar (1211) and the second strut bar (1212) mutually, to be connected with the end of the second strut bar (1212) with described the first strut bar (1211) and to form leg-of-mutton 3rd strut bar (1213), described the second strut bar (1212) is positioned at the below of the first strut bar (1211), described snap close (13) is fixed on the upper end of the 3rd described strut bar (1213), two blocks of each adjusting portion (2) are respectively top block (221) and bottom block (222), described top block (221) is fixed on the lateral wall of the 3rd strut bar (1213) of outermost support body unit (121), described bottom block (222) is fixed on the lateral wall of second strut bar (1212) of outermost support body unit (121), and the level height of described top block (221) is higher than bottom block (222), when described swinging support bar (21) offsets with top block (221) time, described fixed part (1) is in lying status, when described swinging support bar (21) is adjacent to bottom block (222), described fixed part (1) is in erected state.

2. movable supporting leg transfer of support frame according to claim 1, it is characterized in that: described swinging support bar (21) is fixed with lower limit block (212), described lower limit block (212) and bottom block (222) all offer pin-and-hole, when described swinging support bar (21) is adjacent to bottom block (222), in described pin-and-hole, be inserted with the lock pin (23) that described swinging support bar (21) and bottom block (222) are fixed.

3. movable supporting leg transfer of support frame according to claim 1, it is characterized in that: described base (11) is provided with the locating piece (111) for fixing described supporting leg bottom, the bottom of described supporting leg is connected latch closure (6) with being connected with between locating piece (111).

4. movable supporting leg transfer of support frame according to claim 1, it is characterized in that: described fixed part (1) and adjusting portion (2) are connected to feet (4) and castor (5), when described fixed part (1) is in lying status, described feet (4) lands, described castor (5) is unsettled, when described fixed part (1) is in erected state, described castor (5) lands, and described feet (4) is unsettled.