Wedge-shaped adjusting and unloading device for bottom die support of bent cap
Technical Field
The invention relates to the technical field of adjusting and unloading devices, in particular to a wedge-shaped adjusting and unloading device for a bent cap bottom die support.
Background
In present bridge engineering bent cap construction, after concrete intensity reached the designing requirement, need demolish the die block support, demolish for its falling die of convenience, need install adjustment in advance and unload the device, adjustment and the device that unloads such as sand bucket, jack, polylith symmetrical formula wedge split are to drawing adjustment and the device that unloads, but conventional adjustment and the device that unloads have certain defect, for example:
1. the sand barrel has the phenomenon of uneven settlement in the using process, and the capping beam bottom die cannot be adjusted to the designed elevation after settlement;
2. the jack has a larger slenderness ratio due to the structure, so that safety accidents are easily caused;
3. the symmetrical wedge-shaped split adjusting and unloading devices are complex in structure, large in wedge-shaped blocks and heavy in structure, and need to be installed, dismantled and transported by a crane, so that time and labor are wasted.
We have therefore proposed a capping beam bottom die support wedge adjustment and drop device to facilitate the solution of the problems set out above.
Disclosure of Invention
The invention aims to provide a wedge-shaped adjusting and discharging device for a bottom die support of a bent cap, which aims to solve the problems that most of adjusting and discharging devices proposed in the background technology have uneven settlement phenomenon in the using process, the bent cap bottom die cannot be adjusted to a designed height after settlement, a jack is easy to cause safety accidents due to larger structural length ratio, and a plurality of symmetrical wedge-shaped opposite-pulling adjusting and discharging devices are complicated in structure, large in number of wedge-shaped blocks and heavy in structure, need to be installed, dismantled and transported by a crane, and are time-consuming and labor-consuming.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a bent cap die block support wedge adjustment and device of unloading, includes the upper support piece, the below of upper support piece is provided with lower support piece, and the right side upper end of lower support piece is connected with the position adjusting otic placode, the left side top of lower support piece is provided with down the slip inclined plane, the below of upper support piece is provided with the slip inclined plane, the internally mounted of position adjusting otic placode has fixation nut, and fixation nut is connected with the position adjusting otic placode through the steel sheet, fixation nut's inside threaded connection has the position adjusting screw rod, the ball is all installed to the below of upper support piece and the left side top of lower support piece, the inside fixed mounting of upper support piece has first stiffening rib, the inside fixed mounting of lower support piece has the second stiffening rib, the third stiffening rib is installed to the inside of position adjusting otic placode is inlayed.
Preferably, the right end face of the upper supporting block is perpendicular to the length direction of the positioning screw rod, and the positioning screw rod is tightly attached to the right end face of the upper supporting block.
Preferably, the upper supporting block and the first reinforcing rib are embedded, the first reinforcing rib is vertically arranged in the upper supporting block, and the distribution direction of the first reinforcing rib is parallel to the length direction of the positioning screw rod.
Preferably, the distance between the upper supporting block and the right end face of the positioning ear plate is 50mm, and the positioning ear plate and the lower supporting block are of an integrated structure.
Preferably, the lower support block is connected with the second reinforcing ribs in an embedded manner, the second reinforcing ribs are distributed in the lower support block at equal intervals, and the distribution direction of the second reinforcing ribs is parallel to the length direction of the positioning screw.
Preferably, the inclination angle of the lower sliding slope is equal to the inclination angle of the upper sliding slope, and the inclination angle intersects with the horizontal plane by 30 °.
Preferably, the fixing nuts are symmetrically arranged about a vertical central axis of the position adjusting lug plate, the fixing nuts are fixedly connected with the steel plate, and the steel plate is embedded in the position adjusting lug plate.
Preferably, the length dimension of the positioning screw is not less than 110mm, and the diameter dimension of the positioning screw is less than 24 mm.
Preferably, the balls are distributed on the lower sliding inclined surface and the upper sliding inclined surface at equal intervals, and the connection modes of the balls and the upper supporting block and the lower supporting block are all in embedded connection.
Compared with the prior art, the invention has the beneficial effects that:
the elevation of the bent cap bottom die can be accurately adjusted, the bent cap bottom die support can be detached, the structural rigidity of the bent cap bottom die support is high, the bearing capacity is high, sufficient support can be provided, and the adverse factor of sinking of the support is eliminated;
in addition, simple structure, light in weight has reduced the cost, has reduced the expense, is convenient for install and demolish to spacing through last supporting block limiting plate and bent cap die block support spandrel girder ensures to provide stable fulcrum, avoids causing whole bent cap die block support system pine to take off because of the fulcrum slippage or toppling over.
Drawings
FIG. 1 is a schematic view of the overall structure of an upper support block according to the present invention;
FIG. 2 is a schematic view of the overall structure of the lower support block of the present invention;
FIG. 3 is a schematic view of the connection structure of the upper support block and the lower support block of the present invention;
FIG. 4 is a schematic structural view of a downward sliding state of the upper support block according to the present invention;
FIG. 5 is a schematic side view of a positioning ear plate according to the present invention;
FIG. 6 is a schematic view of the cross-sectional structure of the lower slide rail and the upper slide rail according to the present invention.
In the figure: 1. an upper support block; 2. a lower support block; 3. adjusting the position of the ear plate; 4. a lower sliding ramp; 5. sliding the inclined plane upwards; 6. fixing a nut; 7. adjusting the position of the screw rod; 8. a ball bearing; 9. a first reinforcing rib; 10. a second reinforcing rib; 11. a steel plate; 12. and a third reinforcing rib.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a wedge-shaped adjusting and unloading device for a bottom die support of a bent cap comprises an upper supporting block 1, a lower supporting block 2, a positioning lug plate 3, a lower sliding inclined surface 4, an upper sliding inclined surface 5, a fixing nut 6, a positioning screw 7, a ball 8, a first reinforcing rib 9, a second reinforcing rib 10, a steel plate 11 and a third reinforcing rib 12, wherein the lower supporting block 2 is arranged below the upper supporting block 1, the positioning lug plate 3 is connected to the upper end of the right side of the lower supporting block 2, the lower sliding inclined surface 4 is arranged above the left side of the lower supporting block 2, the upper sliding inclined surface 5 is arranged below the upper supporting block 1, the fixing nut 6 is arranged inside the positioning lug plate 3, the fixing nut 6 is connected with the positioning lug plate 3 through the steel plate 11, the positioning screw 7 is connected to the internal threads of the fixing nut 6, the ball 8 is arranged below the upper supporting block 1 and above the left side of the lower supporting block 2, the first reinforcing rib 9 is fixedly arranged inside the upper supporting block 1, the interior of the lower supporting block 2 is fixedly provided with a second reinforcing rib 10, and the interior of the positioning ear plate 3 is embedded with a third reinforcing rib 12.
As shown in fig. 1, the upper support block 1 and the first reinforcing rib 9 are embedded, the first reinforcing rib 9 is vertically arranged in the upper support block 1, and the distribution direction of the first reinforcing rib 9 is parallel to the length direction of the positioning screw 7, so that the bearing capacity of the upper support block 1 can be enhanced by the action of the first reinforcing rib 9;
as shown in fig. 2, the right end face of the upper support block 1 is perpendicular to the length direction of the positioning screw 7, and the positioning screw 7 is closely attached to the right end face of the upper support block 1, so that the position of the upper support block 1 can be adjusted by the rotation of the positioning screw 7, wherein the positioning screw 7 can be a high-strength bolt or an I-level round steel, the lower support block 2 is connected with the second reinforcing rib 10 in an embedded manner, the second reinforcing ribs 10 are distributed in the lower support block 2 at equal intervals, the distribution direction of the second reinforcing ribs 10 is parallel to the length direction of the positioning screw 7, and the bearing capacity of the lower support block 2 can be enhanced by the action of the second reinforcing ribs 10;
as shown in fig. 3, the inclination angle of the lower sliding inclined surface 4 is equal to that of the upper sliding inclined surface 5, and the inclination angle intersects with the horizontal plane by 30 degrees, so that the force in the horizontal direction is reduced, the tightening and loosening of the positioning screw 7 are facilitated, the operation is facilitated, the length size of the positioning screw 7 is not less than 110mm, the diameter size of the positioning screw 7 is less than 24mm, and the adjustment requirement of the positioning screw 7 is met;
as shown in fig. 4, the distance between the upper supporting block 1 and the right end face of the positioning ear plate 3 is 50mm, and the positioning ear plate 3 and the lower supporting block 2 are in an integrated structure, so that the stability of the positioning ear plate 3 is ensured;
as shown in fig. 5, the fixing nuts 6 are symmetrically arranged about the vertical central axis of the positioning ear plate 3, the fixing nuts 6 are fixedly connected with the steel plate 11, and the steel plate 11 is embedded in the positioning ear plate 3, so that the stability of the installation of the fixing nuts 6 can be ensured;
as shown in fig. 6, the balls 8 are equally spaced on the lower sliding inclined surface 4 and the upper sliding inclined surface 5, and the balls 8 are connected with the upper supporting block 1 and the lower supporting block 2 in an embedded manner, so that the frictional resistance at the contact position of the lower sliding inclined surface 4 and the upper sliding inclined surface 5 can be reduced by the action of the balls 8.
The working principle is as follows: when the wedge-shaped adjusting and unloading device for the bent cap bottom die support is used, firstly, the lower support block 2 is stably placed at the support point position of the bottom die support, then the upper sliding inclined plane 5 at the bottom of the upper support block 1 is placed on the lower sliding inclined plane 4, then the positioning screw 7 penetrates through the fixing nut 6 fixed in the positioning lug plate 3, the mutual position between the upper support block 1 and the lower support block 2 is adjusted through the screwing and loosening of the positioning screw 7, and the purpose of adjusting the height is achieved;
when the capping beam bottom die support is installed, 1 adjusting and unloading device is respectively installed at the supporting point position of the bottom die support, when the concrete reaches the design strength and needs to be demolished by a demolding, a wrench is adopted to loosen the right positioning screw 7 and drive the upper supporting block 1 to move rightwards so as to descend the capping beam bottom die support and then demolish, the operation is simple and convenient, the height of the capping beam bottom die can be reduced, and the capping beam bottom die support can be jacked according to the actual condition;
when the mounting of the supporting point of the bottom die support deviates to cause the elevation of the bottom die to be lower than the designed elevation, a wrench can be adopted to screw down the right positioning screw 7 to drive the upper supporting block 1 to move leftwards so as to lift the bent cap bottom die support to the designed elevation;
the upper supporting block 1, the lower supporting block 2 and the positioning lug plate 3 are internally provided with a first reinforcing rib 9, a second reinforcing rib 10 and a third reinforcing rib 12 respectively, so that the horizontal force and the bending moment borne by the upper supporting block 1, the lower supporting block 2 and the positioning lug plate 3 can be increased, grease is coated on the lower sliding inclined surface 4 and the upper sliding inclined surface 5 through the arrangement of the balls 8, the friction resistance of the contact position of the lower sliding inclined surface 4 and the upper sliding inclined surface 5 can be reduced, and the working principle of the cover beam bottom die support wedge-shaped adjusting and unloading device is realized.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.