CN114016408A - Pin self-locking type die carrier support - Google Patents
Pin self-locking type die carrier support Download PDFInfo
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- CN114016408A CN114016408A CN202111240437.9A CN202111240437A CN114016408A CN 114016408 A CN114016408 A CN 114016408A CN 202111240437 A CN202111240437 A CN 202111240437A CN 114016408 A CN114016408 A CN 114016408A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The invention relates to a pin self-locking type die carrier support, comprising: a first support block; a first moving block; a second moving block; the first moving block and the second moving block can move and adjust oppositely through the threaded fastener and the threaded adjusting piece; the second support block is arranged on the first moving block and the second moving block, and the surfaces of the second support block, which are attached to the first moving block and the second moving block, are inclined surfaces; when the first moving block and the second moving block move oppositely and are adjusted, the second supporting block moves upwards to be adjusted. The die carrier support can enable the second supporting block to move upwards to be adjusted to the preset height through screwing the threaded fastener, then the die carrier is locked through the pin, when the die is disassembled, the pin is screwed out, then the threaded fastener is screwed reversely, the die carrier support can be separated from the die plate, the operation is simple and convenient, the requirement on the supporting strength can be met even if the die carrier support is repeatedly loaded for a long time, and the safety of the die carrier construction is ensured.
Description
Technical Field
The invention relates to the technical field of civil engineering construction, in particular to a pin self-locking type formwork support.
Background
In building engineering and infrastructure construction, cast-in-place concrete is an indispensable link, a formwork support system is required to be adopted to support a cast-in-place member before concrete is solidified, the member is required to be dismantled after the concrete is solidified, in order to realize safe, accurate and rapid formwork support and formwork removal, a formwork support is used for not only realizing the function of reliable transmission of the pressure of the upper concrete, but also realizing accurate height adjustment, and further requiring convenient installation and disassembly so as to improve the construction efficiency. The traditional die carrier support adopts a supporting plate of a side die carrier connected by deformed steel and bolts, and the supporting plate is repeatedly loaded for a long time, has a humid use environment, is easy to rust, and has the defects of poor tensile property and poor safety, so that a welding plate is added in the middle, the construction procedures are increased, the obstruction is caused to the die removal, and the high-altitude operation is dangerous. The die carrier support has important application value, is reliable in support in a long-term and repeated use process, is simple to operate and is convenient to disassemble.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a pin self-locking type formwork support, and solves the problems that the tensile property and the safety cannot be ensured due to long-term and repeated loading, moist using environment and easy rusting of the conventional formwork support adopting connection of deformed steel bars and bolts, and the construction process and the formwork removal obstacle are increased by adding a welding plate.
The technical scheme for realizing the purpose is as follows:
the invention provides a pin self-locking type die carrier support, which comprises:
a first support block;
the first moving block is arranged above the first supporting block, a thread adjusting piece is arranged on the first moving block, and a first pushing top surface which is arranged in an inclined manner is arranged on the top surface of the first moving block;
the second moving block is arranged on the first supporting block and is opposite to the first moving block, a through hole is formed in the second moving block corresponding to the thread adjusting piece, the end part of the thread adjusting piece penetrates through the through hole to form a connecting end part, and a second inclined pushing surface is arranged on the top surface of the second moving block;
a threaded fastener threadedly coupled to the coupling end portion, the threaded fastener being screwed to move and adjust the second moving block and the first moving block in directions to approach each other;
the pin penetrates through the threaded fastener and is detachably connected with the second moving block, and the threaded fastener and the second moving block can be connected through the pin in a fastening mode; and
the second supporting block is arranged on the first moving block and the second moving block, and a first binding surface attached to the first pushing surface and a second binding surface attached to the second pushing surface are arranged on the second supporting block;
when the first moving block and the second moving block move oppositely and are adjusted, the first abutting surface and the second abutting surface which correspond to each other are pushed by the first pushing surface and the second pushing surface, so that the second supporting block moves upwards and is adjusted.
The die carrier support disclosed by the invention has the advantages that the first moving block and the second moving block move oppositely through screwing the threaded fastener, so that the second supporting block moves upwards for adjustment, the second supporting block can tightly abut against the bottom of the template, the die carrier supporting system can firmly and stably support the template, the threaded fastener is locked on the second moving block through the pin after being screwed and adjusted, the rotation of the threaded fastener is limited by the pin, the self-locking of the die carrier support is realized, the die carrier support can be separated from the template only by firstly detaching the pin and then reversely screwing the threaded fastener when the die is removed, the operation is simple and convenient, and the die carrier support disclosed by the invention has the advantages of reliability in supporting, simplicity in operation and convenience in detachment.
The pin self-locking type die carrier support is further improved in that a first wedge-shaped surface which is arranged in an inclined manner is arranged on the bottom surface of the first moving block, and a second wedge-shaped surface which is arranged in an inclined manner is arranged on the bottom surface of the second moving block;
the first support block is provided with a first inclined support surface attached to the first wedge-shaped surface and a second inclined support surface attached to the second wedge-shaped surface;
when the first moving block and the second moving block move and adjust oppositely, the first wedge-shaped surface and the second wedge-shaped surface can move upwards along the corresponding first inclined support surface and second inclined support surface, so that the first moving block and the second moving block move upwards and adjust.
The pin self-locking type die carrier support is further improved in that a stop valve is arranged on the threaded fastener;
after the threaded fastener is screwed and adjusted, the rotation stop valve is fixedly connected to the second moving block through the pin.
The pin self-locking type die carrier support is further improved in that the rotation stopping valve is fan-shaped, and a plurality of pin holes which are arranged at intervals along an arc line are formed in the rotation stopping valve;
when the rotation stop valve and the second moving block are fixedly connected, the pin penetrates through a corresponding pin hole in the rotation stop valve and is fixedly connected with the second moving block.
The pin self-locking type die carrier support is further improved in that a plurality of threaded connecting holes are formed in the second moving block corresponding to the pin holes and are arranged at intervals along the circumference.
The pin self-locking type die carrier support is further improved in that the number N1 of the threaded connecting holes and the number N2 of the pin holes satisfy the following relational expression:
N1N 2 is not less than (a/h) tan theta, wherein a is the thread pitch between threads on the thread adjusting piece, h is the allowable error of the moving adjustment of the second supporting block, and theta is the included angle between the first abutting surface of the second supporting block and the top surface of the second supporting block.
The pin self-locking type die carrier support is further improved in that the outer contour of the stop valve is circular, and a plurality of pin holes are formed in the stop valve at intervals along the circumference;
a threaded connecting hole is formed in the corresponding position of the second moving block;
when the rotation stop valve and the second moving block are fixedly connected, the pins penetrate through the corresponding pin holes and are fixedly connected with the threaded connecting holes.
The pin self-locking type die carrier support is further improved in that a pin hole is formed in the rotation stopping valve;
a plurality of threaded connecting holes are formed in the second moving block at intervals along the circumference;
when the rotation stop valve and the second moving block are fixedly connected, the pin penetrates through the pin hole and then is fixedly connected with the corresponding threaded connecting hole.
The pin self-locking type die carrier support is further improved in that the outer contour of the first supporting block is trapezoidal, and the outer contour of the second supporting block is inverted trapezoidal.
The pin self-locking type die carrier support is further improved in that the widths of the first moving block and the second moving block are matched with the widths of the second supporting block and the first supporting block.
Drawings
Fig. 1 is a schematic structural view of the pin self-locking type formwork support of the present invention in an initial state and with a portion of the first support block omitted.
Fig. 2 is an exploded view of the pin self-locking type formwork support of the present invention.
Fig. 3 is a schematic structural view of the pin self-locking type formwork support of the present invention, in which the second support block is adjusted by moving upward and a part of the first support block is omitted.
Fig. 4 is a schematic structural view of the pin self-locking type formwork support of the present invention, in which a portion of the first support block is omitted when the second support block is adjusted to the limit position.
Fig. 5 is a schematic structural view of a rotation stop valve of a pin self-locking type formwork support according to another preferred embodiment of the present invention.
Fig. 6 is a schematic structural view of a rotation stop valve of a pin self-locking type formwork support according to another preferred embodiment of the present invention.
Fig. 7 is a schematic structural view of a rotation stop valve of a pin self-locking type formwork support according to another preferred embodiment of the present invention.
Fig. 8 is a schematic structural view of a pin self-locking type formwork support according to a preferred embodiment of the present invention, with a screw adjusting member and a screw fastening member omitted.
Fig. 9 is a schematic structural view of a pin self-locking type formwork support having two screw adjustment members according to the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides a pin self-locking type die carrier support, which has the advantages of reliable support, simple operation, convenient disassembly and the like in the long-term and repeated use process, and can solve the problem that the tensile property and the safety performance of the existing support adopting the connection of deformed steel bars and bolts cannot be ensured due to long-term and repeated loading. The die carrier support disclosed by the invention does not need to adopt other reinforcement measures during erection, can easily realize accurate adjustment in position and unloading and die stripping by screwing the threaded fastener, and is simple and convenient. The pin self-locking type die carrier support of the invention is explained below with reference to the attached drawings.
Referring to fig. 1, there is shown a schematic structural view of a pin self-locking type formwork support in an initial state. Referring to fig. 2, there is shown an exploded view of the pin self-locking type formwork support of the present invention. The pin self-locking type formwork support of the present invention will be described with reference to fig. 1 and 2.
As shown in fig. 1 and 2, the pin self-locking type formwork support 20 of the present invention includes a first support block 21, a first moving block 22, a second moving block 23, a threaded fastener 24, a second support block 25, and a pin 26, wherein the first moving block 22 is disposed on the first support block 21, the first moving block 22 is provided with a threaded adjusting member 221, and the top surface of the first moving block 22 is provided with a first push top surface 222 disposed in an inclined shape; the second moving block 23 is arranged on the first supporting block 21 and opposite to the first moving block 21, a through hole 231 is arranged on the second moving block 23 corresponding to the thread adjusting piece 221, the end part of the thread adjusting piece 221 penetrates through the through hole 231 and forms a connecting end part 2211, and the top surface of the second moving block 23 is provided with a second push top surface 232 which is arranged in an inclined shape; a threaded fastener 24 is threadedly coupled to the coupling end portion 2211 of the threaded adjusting member 221, and by screwing the threaded fastener 24, the second moving block 23 and the first moving block 22 can be moved and adjusted in a direction to approach each other; the second supporting block 25 is arranged on the first moving block 22 and the second moving block 23, the second supporting block 25 and the first supporting block 21 are arranged oppositely up and down, and the second supporting block 25 is provided with a first binding surface 251 attached to the first pushing top surface 222 and a second binding surface 252 attached to the second pushing top surface 232; when the first moving block 22 and the second moving block 23 move and adjust in the opposite direction, the first pushing surface 222 and the second pushing surface 232 push the corresponding first attaching surface 251 and second attaching surface 252, so that the second supporting block 25 moves upward and is adjusted, thereby increasing the supporting height of the second supporting block 25, and supporting the template to complete the template erection. After the threaded fastener 24 is screwed and adjusted, the pin 26 penetrates through the threaded fastener 24 and is detachably connected with the second moving block 23, and the threaded fastener 24 and the second moving block 23 can be tightly connected through the pin 26.
When the mold is disassembled, the screw 26 can be firstly disassembled and then the threaded fastener 24 is reversely screwed, so that the first moving block 22 and the second moving block 23 can reversely move under the action of external force, the first abutting surface 251 and the second abutting surface 252 can move and adjust along the corresponding first pushing surface 222 and the second pushing surface 232 so as to enable the second supporting block 25 to move and adjust downwards, the supporting height of the second supporting block 25 is reduced, and the jacking state of the second supporting block 25 is released to realize the mold disassembling frame.
As shown in fig. 3 and 4, when the first moving block 22 and the second moving block 23 move toward each other and are adjusted, the first abutting surface 222 and the second abutting surface 232 approach each other to abut against the first abutting surface 251 and the second abutting surface 252, so that the first abutting surface 251 and the second abutting surface 252 move upward along the first abutting surface 222 and the second abutting surface 232, and when the first moving block 22 and the second moving block 23 move in opposite directions and are adjusted, the first abutting surface 222 and the second abutting surface 232 move away from each other, so that the first abutting surface 251 and the second abutting surface 252 move downward along the first abutting surface 222 and the second abutting surface 232. In this embodiment, the movement adjusting distance of the second supporting block 25 is a distance from the lowest point of the first abutting surface 251 to the lowest point of the first pushing surface 222 when the first moving block 22 and the second moving block 23 abut against each other.
According to the invention, the first moving block and the second moving block are oppositely pulled through the thread adjusting part and the thread fastening part, so that the first moving block and the second moving block move oppositely to further enable the second supporting block to move upwards for adjustment, the second supporting block can tightly abut against the bottom of the template, the template is firmly and stably supported by the template support system, and after the thread fastening part is adjusted, the thread fastening part is locked and fixed through the pin, the rotation of the thread fastening part is limited, and the self-locking effect is realized. When the formwork is disassembled, the pin is only required to be disassembled and the threaded fastener is unscrewed, so that the first moving block and the second moving block move in opposite directions, the second supporting block moves downwards to separate the formwork support from the formwork, the operation is simple and convenient, the first supporting block, the first moving block and the second moving block are attached to each other through the inclined surface, the requirement on supporting strength can be met even if the formwork is repeatedly loaded for a long time, and the safety of formwork construction is ensured.
In one embodiment of the present invention, as shown in fig. 1 and 2, a first wedge surface 223 is provided in an inclined manner on the bottom surface of the first moving block 22, and a second wedge surface 233 is provided in an inclined manner on the bottom surface of the second moving block 23;
the first support block 21 is provided with a first inclined support surface 211 attached to the first wedge surface 223 and a second inclined support surface 212 attached to the second wedge surface 233;
when the first moving block 22 and the second moving block 23 move and adjust in opposite directions, the first wedge-shaped surface 223 and the second wedge-shaped surface 233 can move upwards along the corresponding first inclined support surface 211 and the second inclined support surface 212, so that the first moving block 22 and the second moving block 23 move and adjust upwards;
when the first moving block 22 and the second moving block 23 are adjusted by moving in the reverse direction, the first wedge-shaped surface 223 and the second wedge-shaped surface 233 may move downward along the corresponding first inclined supporting surface 211 and the second inclined supporting surface 212, so that the first moving block 22 and the second moving block 23 move downward for adjustment.
The up-and-down adjustment of the first moving block 22 and the second moving block 23 drives the second supporting block 25 to move up and down together, so that the supporting height of the second supporting block 25 is adjusted. The adjustment distance of the second support block 25 can be increased by providing the first inclined support surface 211 and the second inclined support surface 212, and as shown in fig. 4, the increased adjustment distance is a distance from a lowest point of the first wedge surface 223 to a lowest point of the first inclined support surface 211 when the first moving block 22 and the second moving block 23 abut against each other.
In one embodiment of the present invention, as shown in fig. 1 and 2, the threaded fastener 24 is provided with a rotation stop valve 241; after the threaded fastener 24 is screwed and adjusted, the rotation stop valve 241 is fixedly connected to the second moving block 23 through the pin 26. The rotation stopping valve is fixed on the second moving block 23 through the pin, so that the threaded fastener 24 cannot rotate, after the height of the second supporting block 25 is adjusted, the rotation stopping valve is locked through the pin, the threaded fastener 24 is locked, self-locking of the die carrier support is realized, and the supporting stability and reliability of the die carrier support are improved.
In one embodiment, the rotation stop valve 241 has a fan shape, and the rotation stop valve 241 is provided with a plurality of pin holes 242 arranged at intervals along one arc line, and when the rotation stop valve 241 and the second moving block 23 are fastened and connected, the pin 26 passes through the corresponding pin hole 242 on the rotation stop valve and is fastened and connected with the second moving block 23. The center of the sector is the center of the through hole 231, and a plurality of pin holes 242 are provided at the edge of the rotation stop valve 241 and are spaced along an arc.
Further, the second moving block 23 is provided with a plurality of screw connection holes 234 corresponding to the pin holes 242, the plurality of screw connection holes 234 are arranged at intervals along a circumference, and the circumference along which the plurality of screw connection holes 234 are arranged is centered on the center of the through hole 231.
Still further, the number N1 of threaded connection holes 234 and the number N2 of pin holes 242 satisfy the following relationship:
N1N 2 is not less than (a/h) tan theta, wherein a is the thread pitch between two adjacent threads on the thread adjusting piece, h is the allowable error of the moving adjustment of the second supporting block, and theta is the included angle between the first abutting surface of the second supporting block and the top surface of the second supporting block. The allowable error of the second supporting block in moving adjustment is equal to the allowable error of formwork erection construction specified by the specification, so that the adjustment accuracy of the second supporting block can meet the accuracy requirement of formwork erection construction. Preferably, the arc of the detent valve 241 is 2 π/N1.
In another embodiment, as shown in fig. 5, the rotation stop valve 241 includes two opposite sectors, each of which is provided with a plurality of pin holes 242 spaced along a circular arc, and a plurality of screw connection holes 234 spaced along a circumference on the second moving block 23, and after the screw fastener 24 is screwed and adjusted, the pin 26 passes through the corresponding pin hole 242 on any one of the sectors and is tightly connected with the corresponding screw connection hole 234.
In another embodiment, as shown in fig. 6, the outer contour of the rotation stop valve 241 is circular, a plurality of pin holes 242 are provided at intervals along the circumference of the rotation stop valve 241, one screw connection hole 234 is provided at a corresponding position of the second moving block 23, and when the rotation stop valve 241 and the second moving block 23 are fastened, the pins 26 pass through the corresponding pin holes 242 and are fastened to the screw connection holes 234.
In another embodiment, as shown in fig. 7, the rotation stop valve 241 is provided with one pin hole 242, the second moving block 23 is provided with a plurality of screw connection holes 234 at intervals along the circumference, and when the rotation stop valve 241 and the second moving block 23 are fastened, the pin 26 passes through the pin hole 242 and is fastened to the corresponding screw connection hole 234.
In one embodiment of the present invention, the outer contour of the first support block 21 is trapezoidal, and the outer contour of the second support block 25 is inverted trapezoidal.
In one embodiment of the present invention, the widths of the first moving block 22 and the second moving block 23 are adapted to the widths of the second supporting block 25 and the first supporting block 21. In the initial state shown in fig. 1, the outer contour of the mold frame holder 20 is rectangular, and the corners of the mold frame holder 20 are right-angled.
Further, in order to improve the support width of the die carrier support, the first moving block and the second moving block can be widened, when the support width of the die carrier support is increased, in order to improve the stability of the die carrier support, two or more thread adjusting pieces and two or more thread fastening pieces can be arranged, specifically as shown in fig. 9, the two or more thread adjusting pieces are arranged at intervals along the width direction of the first moving block, the thread fastening pieces are in threaded connection with the corresponding thread adjusting pieces, and each thread fastening piece is locked through a pin.
In one embodiment of the present invention, the angle between the first abutting surface 251 of the second supporting block 25 and the top surface of the second supporting block 25 is not greater than 45 °. The second leg 252 of the second support block 25 is also at an angle of no more than 45 ° to the top surface of the second support block 25.
In an embodiment of the present invention, as shown in fig. 8, first slide ways 213 are disposed on two sides of the first supporting block 21, a first lower slider 225 is disposed on the first moving block 22 corresponding to the first slide ways 213, a second lower slider 236 is disposed on the second moving block 23 corresponding to the first slide ways 213, the first lower slider 225 is slidably disposed on the corresponding first slide way 213 and can be movably adjusted along the first slide way 213, and the second lower slider 236 is slidably disposed in the corresponding first slide way 213 and can be movably adjusted along the first slide way 213. The first slide way 213 can guide and limit the movement adjustment of the first moving block 22 and the second moving block 23, and the first slide way is matched with the first lower slide block and the second lower slide block to connect the first moving block 22, the second moving block 23 and the first supporting block 21 together, so that an integral structure is formed. Furthermore, second slide ways 253 are arranged on two sides of the second supporting block 25, a first upper slide block 224 is arranged on the first moving block 22 corresponding to the second slide ways 253, a second upper slide block 235 is arranged on the second moving block 23 corresponding to the second slide ways 253, the first upper slide block 224 is slidably arranged on the corresponding second slide ways 253 and can be movably adjusted along the second slide ways 253, and the second upper slide block 235 is slidably arranged on the corresponding second slide ways 253 and can be movably adjusted along the second slide ways 253. The second slide 253 can guide and limit the movement adjustment of the first moving block 22 and the second moving block 23, and the first moving block 22, the second moving block 23 and the second supporting block 25 are connected together by the matching of the second slide and the first and second upper sliding blocks to form an integral structure.
Preferably, the first slide ways 213 are disposed on two sides of the first inclined supporting surface 211 and the second inclined supporting surface 212 of the first supporting block 21, and are disposed in an inclined manner. The second slide 253 is disposed on both sides of the first contact surface 251 and the second contact surface 252 of the second support block 25, and is disposed in an inclined shape.
Through the slide and the slider cooperation setting for first movable block, second movable block and second supporting shoe, first supporting shoe are spacing to be connected together and are formed a complete whole, can make the wholeness of die carrier support better.
Other configurations that are easily constructed based on the features of the present invention for the pin and threaded fastener are also within the scope of the present invention.
The pin self-locking type formwork support is suitable for a formwork system of a bridge, when the formwork system is arranged, the formwork support is arranged between the top of a scaffold and the bottom of a formwork, then a threaded fastener is screwed, the first moving block and the second moving block are pulled oppositely to enable the first moving block and the second moving block to move oppositely, so that the second supporting block is jacked upwards, the second supporting block can be tightly jacked at the bottom of the formwork, then a rotation stop valve is tightly connected to the second moving block through a pin, the threaded fastener is locked, the threaded fastener cannot rotate, the formwork support is in a self-locking state, and other reinforcing measures are not needed. When the form needs to be disassembled, only the pin needs to be disassembled and the threaded fastener needs to be unscrewed, the operation is very simple and convenient, and the method can be widely popularized.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. A pin self-locking type formwork support is characterized by comprising:
a first support block;
the first moving block is arranged above the first supporting block, a thread adjusting piece is arranged on the first moving block, and a first pushing top surface which is arranged in an inclined manner is arranged on the top surface of the first moving block;
the second moving block is arranged on the first supporting block and is opposite to the first moving block, a through hole is formed in the second moving block corresponding to the thread adjusting piece, the end part of the thread adjusting piece penetrates through the through hole to form a connecting end part, and a second inclined pushing surface is arranged on the top surface of the second moving block;
a threaded fastener threadedly coupled to the coupling end portion, the threaded fastener being screwed to move and adjust the second moving block and the first moving block in directions to approach each other;
the pin penetrates through the threaded fastener and is detachably connected with the second moving block, and the threaded fastener and the second moving block can be connected through the pin in a fastening mode; and
the second supporting block is arranged on the first moving block and the second moving block, and a first binding surface attached to the first pushing surface and a second binding surface attached to the second pushing surface are arranged on the second supporting block;
when the first moving block and the second moving block move oppositely and are adjusted, the first abutting surface and the second abutting surface which correspond to each other are pushed by the first pushing surface and the second pushing surface, so that the second supporting block moves upwards and is adjusted.
2. The pin self-locking type formwork support seat as claimed in claim 1, wherein a first wedge surface is arranged on the bottom surface of the first moving block in an inclined manner, and a second wedge surface is arranged on the bottom surface of the second moving block in an inclined manner;
the first support block is provided with a first inclined support surface attached to the first wedge-shaped surface and a second inclined support surface attached to the second wedge-shaped surface;
when the first moving block and the second moving block move and adjust oppositely, the first wedge-shaped surface and the second wedge-shaped surface can move upwards along the corresponding first inclined support surface and second inclined support surface, so that the first moving block and the second moving block move upwards and adjust.
3. The pin self-locking formwork support of claim 1, wherein the threaded fastener is provided with a stop valve;
after the threaded fastener is screwed and adjusted, the rotation stop valve is fixedly connected to the second moving block through the pin.
4. The pin self-locking type formwork support of claim 3, wherein the rotation stop valve is fan-shaped, and a plurality of pin holes are formed on the rotation stop valve at intervals along an arc line;
when the rotation stop valve and the second moving block are fixedly connected, the pin penetrates through a corresponding pin hole in the rotation stop valve and is fixedly connected with the second moving block.
5. The pin self-locking type formwork support of claim 4, wherein a plurality of threaded connection holes are formed in the second moving block corresponding to the pin holes, and the plurality of threaded connection holes are arranged at intervals along the circumference.
6. The pin self-locking type formwork support of claim 5, wherein the number of screw coupling holes N1 and the number of pin holes N2 satisfy the following relation:
N1N 2 is not less than (a/h) tan theta, wherein a is the thread pitch between threads on the thread adjusting piece, h is the allowable error of the moving adjustment of the second supporting block, and theta is the included angle between the first abutting surface of the second supporting block and the top surface of the second supporting block.
7. The pin self-locking type formwork support seat of claim 3, wherein the outer contour of the rotation stop valve is circular, and a plurality of pin holes are formed in the rotation stop valve at intervals along the circumference;
a threaded connecting hole is formed in the corresponding position of the second moving block;
when the rotation stop valve and the second moving block are fixedly connected, the pins penetrate through the corresponding pin holes and are fixedly connected with the threaded connecting holes.
8. The pin self-locking type formwork support of claim 3, wherein the rotation stop valve is provided with a pin hole;
a plurality of threaded connecting holes are formed in the second moving block at intervals along the circumference;
when the rotation stop valve and the second moving block are fixedly connected, the pin penetrates through the pin hole and then is fixedly connected with the corresponding threaded connecting hole.
9. The pin self-locking formwork support of claim 1,
the side part of the first supporting block is provided with a lower slideway;
a first lower sliding block is arranged on the first moving block corresponding to the first slide way, and is arranged in the corresponding first slide way in a sliding manner;
a second lower sliding block is arranged on the second moving block corresponding to the first slide way, and the second lower sliding block is arranged in the corresponding first slide way in a sliding manner;
a second slideway is arranged on the side of the second supporting block;
a first upper sliding block is arranged on the first moving block corresponding to the second slide way, and the first upper sliding block is arranged in the corresponding second slide way in a sliding manner;
and a second upper sliding block is arranged on the second moving block corresponding to the second slide way, and is arranged in the corresponding second slide way in a sliding manner.
10. The pin self-locking formwork support of claim 1, wherein the number of the threaded adjusting member and the threaded fastening member is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240437.9A CN114016408A (en) | 2021-10-25 | 2021-10-25 | Pin self-locking type die carrier support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111240437.9A CN114016408A (en) | 2021-10-25 | 2021-10-25 | Pin self-locking type die carrier support |
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| CN114016408A true CN114016408A (en) | 2022-02-08 |
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| CN202111240437.9A Pending CN114016408A (en) | 2021-10-25 | 2021-10-25 | Pin self-locking type die carrier support |
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| CN212376322U (en) * | 2020-04-20 | 2021-01-19 | 闫新建 | A consolidate bearing structure for building engineering |
| CN113309125A (en) * | 2021-06-23 | 2021-08-27 | 朱继云 | Water conservancy construction cofferdam additional strengthening |
| CN214362907U (en) * | 2020-12-22 | 2021-10-08 | 许陆成 | A assembled piece that falls that unloads for bridge beam supports elevation is adjusted |
| CN113529580A (en) * | 2021-07-23 | 2021-10-22 | 刘伟 | Supporting and unloading device for beam section construction and using method thereof |
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| CN110607749A (en) * | 2018-06-15 | 2019-12-24 | 天津中铁五新钢模有限公司 | Template is used in construction of pier gap |
| CN209322405U (en) * | 2018-12-26 | 2019-08-30 | 西北农林科技大学 | A kind of lifting platform mechanical device |
| CN110644369A (en) * | 2019-09-30 | 2020-01-03 | 中铁大桥局第九工程有限公司 | Support descending device |
| CN212376322U (en) * | 2020-04-20 | 2021-01-19 | 闫新建 | A consolidate bearing structure for building engineering |
| CN212013197U (en) * | 2020-06-17 | 2020-11-24 | 邱荣辉 | Multi-station fixing mechanism for circuit board |
| CN214362907U (en) * | 2020-12-22 | 2021-10-08 | 许陆成 | A assembled piece that falls that unloads for bridge beam supports elevation is adjusted |
| CN113309125A (en) * | 2021-06-23 | 2021-08-27 | 朱继云 | Water conservancy construction cofferdam additional strengthening |
| CN113529580A (en) * | 2021-07-23 | 2021-10-22 | 刘伟 | Supporting and unloading device for beam section construction and using method thereof |
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