CN211922636U - Provide high strength prestressing force subassembly - Google Patents
Provide high strength prestressing force subassembly Download PDFInfo
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- CN211922636U CN211922636U CN202020055292.XU CN202020055292U CN211922636U CN 211922636 U CN211922636 U CN 211922636U CN 202020055292 U CN202020055292 U CN 202020055292U CN 211922636 U CN211922636 U CN 211922636U
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Abstract
The utility model provides a provide high strength prestressing force subassembly, includes two support frames and stress mechanism, is equipped with two fenders with the foundation ditch inner wall both sides laminating, one side fixedly connected with stand of foundation ditch is kept away from to the fender, the stand is vertical direction for cylinder structure and center pin, in the stand bottom inserts the foundation ditch bottom surface, the both ends difference fixed connection of stress mechanism two support frames, two support frames are kept away from the one end detachably of stress mechanism connects the stand, stress mechanism is used for the adjustment the soil pressure that the stand received has solved the technical problem that exists among the prior art, if: the installation and the dismantlement are comparatively troublesome, resist the effect of earth pressure more general and do not have prestressing force.
Description
Technical Field
The utility model belongs to the building construction field, concretely relates to provide high strength prestressing force subassembly.
Background
The foundation pit is the soil pit excavated according to base elevation and basic plane size in basic design position, in order to guarantee the safety of underground structure construction and foundation pit surrounding environment, need to set up the foundation pit support usually, the foundation pit support is the fender that adopts to foundation pit lateral wall and surrounding environment, reinforcement and protective measure, the foundation pit support can receive the soil pressure from the foundation pit both sides, the foundation pit support among the prior art usually adopts the form of baffle with the stake, it usually digs out the foundation pit earlier in the construction, set up the baffle again, then puts up the stake, set up the steelframe between the stake at last, generally through steelframe welded connection, because it does not exert prestressing force when the construction, its effect of withstanding the soil pressure is more general, and the steelframe needs welded fastening, its installation and dismantlement are comparatively troublesome and delay the construction cycle easily, to sum up, the prior art exists: the installation and the disassembly are troublesome, the effect of resisting the soil pressure is more general and the technical problem of not having the prestressing force.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high strength prestressing force subassembly for solve the technical problem who exists among the prior art, if: the installation and the disassembly are troublesome, the effect of resisting the soil pressure is more general and the technical problem of not having the prestressing force.
In order to achieve the above object, the utility model adopts the following technical scheme:
a high-strength prestress assembly comprises two support frames and a stress mechanism, wherein two mud guards are arranged on two sides of the inner wall of a foundation pit in a fitting manner, an upright post is fixedly connected to one side, away from the foundation pit, of each mud guard, the upright post is of a cylindrical structure, a central shaft is in a vertical direction, and the bottom of the upright post is inserted into the bottom surface of the foundation pit;
stress mechanism includes pressure pole, push rod and swivel sleeve, the pressure pole with the one end difference fixed connection of push rod two support frames, the hollow structure of swivel sleeve for being equipped with the through-hole, the push rod is kept away from the one end of support frame is inserted in the through-hole of swivel sleeve, the push rod inserts threaded connection is passed through to the one end in the through-hole of swivel sleeve the swivel sleeve, the swivel sleeve is kept away from the one end of push rod is rotationally connected the one end of support frame is kept away from to the pressure pole, two support frames are kept away from stress mechanism's one end detachably connects the stand.
Furthermore, the support frames comprise connecting rods and three supporting rods, two of the connecting rods of the two support frames are respectively fixedly connected with one ends of the pressure rods and the push rods, which are far away from the rotary sleeve, the central axes of the connecting rods are vertical and perpendicular to the central axes of the through holes of the rotary sleeve, one side of the connecting rods, which is far away from the rotary sleeve, is fixedly connected with one ends of the three supporting rods, the upright post is provided with three grooves matched with one ends of the three supporting rods, which are far away from the rotary sleeve, the opening directions of the grooves are horizontally arranged, one ends of the three supporting rods, which are far away from the connecting rods, are respectively inserted into the three grooves, the connecting rods are perpendicular to the central axes of the through holes of the rotary sleeve, and the opening directions of the grooves are horizontal, so that the three supporting rods are parallel to the rotary sleeve, the mounting and dismounting are convenient, and the beneficial effects of easy mounting and dismounting and shortening the construction period are achieved.
Furthermore, the three grooves are respectively arranged at the upper end, the lower end and the middle part of the stand column, and the three grooves are uniformly arranged on the stand column, so that the uniformity of stress is ensured.
Further, still include the handle, the handle is the cylinder structure, the one end fixed connection of handle the swivel sleeve, handle center pin perpendicular to the center pin of swivel sleeve through-hole, the handle is equipped with two and two the handle center pin is on same straight line, can rotate swivel sleeve through the handle, and easy operation is convenient.
Further, still include wire rope, wire rope locates in the through-hole of swivel sleeve, wire rope one end fixed connection the pressure pole, wire rope's other end fixed connection the push rod, wire rope is used for preventing the push rod breaks away from the through-hole of swivel sleeve, wire rope's both ends fixed connection pressure pole and push rod, because wire rope's existence, played spacing effect, reached the purpose that has prevented the careless roll-off swivel sleeve of push rod.
Furthermore, the two mud guards are both of reinforced concrete structures, and the reinforced concrete is a common structure for building construction, and has the advantages of firmness, durability, good fireproof performance, steel saving compared with a steel structure, low cost and the like.
Furthermore, one end of the upright post inserted into the bottom surface of the foundation pit is conical, the upright post is made of wood material, the wood material has the characteristic of good pressure resistance, and one end of the upright post is conical so that the upright post can be conveniently inserted into the bottom surface of the foundation pit.
The utility model has the advantages that:
(1) this provide high strength prestressing force subassembly is provided with pressure pole, push rod and swivel sleeve, can change the total length of pressure pole and push rod through rotatory swivel sleeve, has played the purpose that changes the pressure size of support frame extrusion stand, has reached and has had prestressing force and the beneficial effect of adjustable stress size.
(2) This provide high strength prestressing force subassembly is provided with bracing piece and recess, because the bracing piece is inserted in the stand through the recess, its installation is dismantled conveniently, has reached easily installation and dismantlement and has shortened construction cycle's beneficial effect.
(3) This provide high strength prestressing force subassembly is provided with swivel sleeve, pressure pole and push rod, through rotatory swivel sleeve, can furthest increase the extrusion force of pressure pole and push rod to the stand, has reached the beneficial effect of effective earth pressure of keeping out.
Drawings
Fig. 1 is the utility model relates to an overall structure schematic diagram of a high strength prestressing force subassembly is provided.
Fig. 2 is a schematic view of a stress mechanism for providing a high-strength pre-stress assembly according to the present invention.
Fig. 3 is a schematic view of the stand column and the fender of the high strength prestressed assembly of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-3 of the present invention, and it should be apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
A high-strength prestress assembly comprises two support frames and a stress mechanism, two mud guards 2 are arranged on two sides of the inner wall of a foundation pit in a fitting manner, one side of the mudguard 2, which is far away from the foundation pit, is fixedly connected with an upright post 3, the upright post 3 is of a cylindrical structure, the central axis is in a vertical direction, the bottom of the upright post 3 is inserted into the bottom surface of the foundation pit, two ends of the stress mechanism are respectively and fixedly connected with the two support frames, one end of each support frame, which is far away from the stress mechanism, is detachably connected with the upright post 3, the stress mechanism is used for adjusting the soil pressure on the upright post 3, two mud guards 2 attached to two sides of the inner wall of the foundation pit can bear the soil pressure from the inner wall of the foundation pit, two ends of the stress mechanism are connected with the upright post 3, and the two ends of the stress mechanism can extrude the upright post 3 and provide prestress for the upright post, thereby achieving the beneficial effect of prestress.
Furthermore, the stress mechanism comprises a pressure rod 6, a push rod 5 and a rotary sleeve 7, wherein one end of the pressure rod 6 is fixedly connected with one end of the push rod 5, the other end of the rotary sleeve 7 is of a hollow structure provided with a through hole, one end of the push rod 5 far away from the support frame is inserted into the through hole of the rotary sleeve 7, one end of the push rod 5 inserted into the through hole of the rotary sleeve 7 is connected with the rotary sleeve 7 through threads, one end of the rotary sleeve 7 far away from the push rod 5 is rotatably connected with one end of the pressure rod 6 far away from the support frame, and through the rotary sleeve 7, the rotary sleeve 7 is in threaded connection with the push rod 5, so that the lengths of the push rod 5 and the pressure rod 6 can be adjusted through the rotary sleeve 7, and because the support frames are connected with two ends of the push rod 5 and the pressure rod 6 and the support frame is connected with the upright column 3, the purpose of changing the pressure of the The beneficial effects of prestress and adjustable stress are achieved, and the extrusion force of the upright post 3 can be increased to the maximum extent by rotating the rotary sleeve 7, so that the beneficial effect of effectively resisting the soil pressure is achieved.
Further, the support frames comprise a connecting rod 10 and three support rods 11, two of the connecting rods 10 of the two support frames are respectively and fixedly connected with one ends of the pressure rod 6 and the push rod 5, which are far away from the rotary sleeve 7, the central axis of the connecting rod 10 is vertical and perpendicular to the central axis of the through hole of the rotary sleeve 7, one side of the connecting rod 10, which is far away from the rotary sleeve 7, is fixedly connected with one end of the three support rods 11, the upright column 3 is provided with three grooves 4 which are matched with one ends of the three support rods 11, which are far away from the rotary sleeve 7, the opening directions of the grooves 4 are horizontally arranged, one ends of the three support rods 11, which are far away from the connecting rod 10, are respectively inserted into the three grooves 4, the connecting rod 10 is perpendicular to the central axis of the through hole of the rotary sleeve 7, the openings of the grooves 4, the purpose of uniform stress is achieved, the supporting rod 11 is inserted into the upright post 3 through the groove 4, the mounting and the dismounting are convenient, and the beneficial effects of easiness in mounting and dismounting and shortening of the construction period are achieved.
Further, three grooves 4 are respectively arranged at the upper end, the lower end and the middle part of the upright post 3, and the three grooves 4 are uniformly arranged on the upright post 3, so that the uniformity of stress is ensured.
Further, still include handle 8, handle 8 is the cylinder structure, the one end fixed connection of handle 8 swivel sleeve 7, the 8 center pin of handle perpendicular to the center pin of 7 through-holes of swivel sleeve, handle 8 is equipped with two and two the 8 center pins of handle are on same straight line, can rotate swivel sleeve 7 through handle 8, and easy operation is convenient.
Further, still include wire rope 12, wire rope 12 is located in the through-hole of swivel sleeve 7, wire rope 12 one end fixed connection pressure rod 6, wire rope 12's other end fixed connection push rod 5, wire rope 12 is used for preventing push rod 5 breaks away from the through-hole of swivel sleeve 7, wire rope 12's both ends fixed connection pressure rod 6 and push rod 5, because wire rope 12's existence, played spacing effect, reached the purpose that has prevented push rod 5 inadvertent roll-off swivel sleeve 7.
Furthermore, two fender 2 are reinforced concrete structure, and reinforced concrete is the common structure of building construction, and it has firm, durable, fire behavior is good, save steel and advantage such as with low costs than the steel construction.
Furthermore, the end of the upright column 3 inserted into the bottom surface of the foundation pit is conical, the upright column 3 is made of wood material, the wood material has the characteristic of good pressure resistance, and the end of the upright column 3 is conical so that the upright column can be conveniently inserted into the bottom surface of the foundation pit.
In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Claims (7)
1. The high-strength prestress assembly is characterized by comprising two support frames and a stress mechanism, wherein two mudguards (2) are arranged on two sides of the inner wall of a foundation pit in a fitting manner, one sides of the mudguards (2) far away from the foundation pit are fixedly connected with an upright post (3), the upright post (3) is of a cylindrical structure, a central shaft is in a vertical direction, and the bottom of the upright post (3) is inserted into the bottom surface of the foundation pit;
stress mechanism includes pressure pole (6), push rod (5) and swivel sleeve (7), pressure pole (6) with the one end difference fixed connection of push rod (5) two support frames, the hollow structure of swivel sleeve (7) for being equipped with the through-hole, keep away from in push rod (5) the one end of support frame is inserted in the through-hole of swivel sleeve (7), push rod (5) insert threaded connection is passed through to the one end in the through-hole of swivel sleeve (7), swivel sleeve (7) are kept away from the one end of push rod (5) is rotationally connected the one end of support frame is kept away from in pressure pole (6), two support frames are kept away from the one end detachably of stress mechanism connects stand (3).
2. The assembly of claim 1, wherein the pre-stressed assembly is a high-strength pre-stressed assembly, the support frames comprise connecting rods (10) and three support rods (11), two connecting rods (10) of the two support frames are respectively and fixedly connected with one ends of the pressure rod (6) and the push rod (5) far away from the rotary sleeve (7), the central axis of the connecting rod (10) is vertical and vertical to the central axis of the through hole of the rotating sleeve (7), one side of the connecting rod (10) far away from the rotating sleeve (7) is fixedly connected with one end of the three supporting rods (11), the upright post (3) is provided with three grooves (4) which are matched with one ends of the three support rods (11) far away from the rotary sleeve (7), the opening direction of the groove (4) is horizontally arranged, and one ends of the three support rods (11) far away from the connecting rod (10) are respectively inserted into the three grooves (4).
3. A pre-stressing assembly according to claim 2 wherein the three grooves (4) are provided at the upper end, lower end and middle of the post (3), respectively.
4. The assembly for providing high strength prestress according to claim 1, further comprising a handle (8), wherein the handle (8) is of a cylindrical structure, one end of the handle (8) is fixedly connected with the rotating sleeve (7), the central axis of the handle (8) is perpendicular to the central axis of the through hole of the rotating sleeve (7), and the handle (8) is provided with two central axes of the two handles (8) which are in the same straight line.
5. The assembly for providing high-strength prestress according to claim 1, further comprising a steel wire rope (12), wherein the steel wire rope (12) is arranged in the through hole of the rotating sleeve (7), one end of the steel wire rope (12) is fixedly connected with the pressure rod (6), the other end of the steel wire rope (12) is fixedly connected with the push rod (5), and the steel wire rope (12) is used for preventing the push rod (5) from being separated from the through hole of the rotating sleeve (7).
6. An assembly for providing high strength prestressing according to claim 1, characterized in that both of the mudguards (2) are of reinforced concrete construction.
7. An assembly for providing high strength pre-stressing according to claim 1, wherein the end of the post (3) inserted into the bottom surface of the foundation pit is tapered, and the post (3) is of a wood material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020055292.XU CN211922636U (en) | 2020-01-10 | 2020-01-10 | Provide high strength prestressing force subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020055292.XU CN211922636U (en) | 2020-01-10 | 2020-01-10 | Provide high strength prestressing force subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211922636U true CN211922636U (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020055292.XU Active CN211922636U (en) | 2020-01-10 | 2020-01-10 | Provide high strength prestressing force subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211922636U (en) |
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2020
- 2020-01-10 CN CN202020055292.XU patent/CN211922636U/en active Active
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