CN211522921U

CN211522921U - Pier bent cap supporting structure

Info

Publication number: CN211522921U
Application number: CN201922248840.0U
Authority: CN
Inventors: 张亚真; 周磊; 典旭光
Original assignee: Zhengzhou Second Municipal Construction Group Co ltd
Current assignee: Zhengzhou Second Municipal Construction Group Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-18
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a pier bent cap supporting structure belongs to bridge building technical field, and its technical scheme main points are including setting up the base on the cushion cap, and the base can be dismantled with the cushion cap and be connected, are equipped with the support on the base, and the support includes sleeve pipe and telescopic link, sleeve pipe and base fixed connection, and the telescopic link cover is established intraductally with sleeve pipe sliding connection of cover, has seted up on the sheathed tube inner wall and has held the groove, holds the inslot and is equipped with the lifting unit that drive telescopic link reciprocated, reaches the effect of being convenient for install and dismantling bent cap support.

Description

Pier bent cap supporting structure

Technical Field

The utility model relates to a bridge construction equipment field, in particular to pier bent cap supporting structure.

Background

The capping beam refers to a cross beam provided on the top of the bent pier to support, distribute and transfer the load of the superstructure. The bent cap is used as an important component in a conventional bridge structure, plays a role in supporting, dispersing and transmitting upper structure load to the upper part, and plays a role in transmitting and concentrating load to the lower part. The design and installation of the bent cap support directly affect the quality and safety of bent cap construction when the bent cap construction is important.

The existing bent cap support is generally a support system built by steel pipe upright posts, namely, the steel pipe upright posts of different sections are selected for assembly to form the bent cap support according to the height of the bent cap and the terrain on site, but the bent cap support is inconvenient to assemble and disassemble and has lower construction efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a pier bent cap supporting structure reaches the effect of being convenient for install and dismantling the bent cap support.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a pier bent cap supporting structure, is including setting up the base on the cushion cap, and the base can be dismantled with the cushion cap and be connected, is equipped with the support on the base, and the support includes sleeve pipe and telescopic link, sleeve pipe and base fixed connection, and the telescopic link cover is established at the sleeve pipe intraductally with sleeve pipe sliding connection, has seted up on the sheathed tube inner wall and has held the groove, holds the inslot and is equipped with the lifting unit that the drive telescopic link reciprocated.

Through adopting above-mentioned technical scheme, with base and cushion cap fixed connection, then with sleeve pipe and cushion cap fixed connection, lifting unit drive telescopic link upwards or the downstream, adjust the telescopic link and stretch out sheathed tube length to the height of required support is adapted, thereby be convenient for support the bent cap, easy operation, the installation with dismantle convenient, swift, can improve the efficiency of construction. Simultaneously, adjust the height of telescopic link through lifting unit, be convenient for adjust the height of support according to the height of bent cap and the topography at scene, convenient to use and application range are extensive, and reuse rate is higher, helps reducing construction cost.

The utility model discloses further set up to, lifting unit includes the screw and rotates to be connected in the lead screw that holds the inslot, and the screw cover is established on the lead screw with lead screw threaded connection, screw and telescopic link fixed connection.

By adopting the technical scheme, the screw rod rotates to drive the screw nut to move along the axial direction of the screw rod, so that the screw nut drives the telescopic rod to move along the axial direction of the sleeve, the telescopic rod is lifted up or lowered down, the height of the support is convenient to adjust, the cover beams with different heights can be supported, and the use is more convenient; the screw rod and the screw nut are matched to realize stepless adjustment, the adjustment precision is high, and the applicability is strong.

This practicality further sets up to, the cover is equipped with lock nut on the telescopic link, is equipped with the external screw thread on the outer wall of telescopic link, is equipped with the internal thread on lock nut's the inner wall, lock nut and telescopic link threaded connection.

Through adopting above-mentioned technical scheme, after the telescopic link was adjusted suitable height, rotated lock nut, made lock nut along telescopic link downstream to with sheathed tube top surface butt, at this moment, lock nut and lead screw, the common weight that bears the bent cap of screw increase the support intensity to the bent cap, reduce the cracked condition of lead screw, improve the life of support.

This practicality further sets up to, sheathed tube periphery cover is equipped with the stay tube, the top and the lock nut fixed connection of stay tube, bottom and base butt.

Through adopting above-mentioned technical scheme, lock nut passes through the stay tube and directly transmits part load for the base, reduces sheathed tube load to reduce the cracked condition of sleeve pipe, improve the support intensity to the bent cap.

This practicality further sets up to, offer the ring channel that is used for imbedding the stay tube on the base, in the bottom embedding ring channel of stay tube.

Through adopting above-mentioned technical scheme, the bottom embedding ring channel of stay tube is spacing to the stay tube horizontal direction, increases the stability of stay tube to can increase the stability of telescopic link, improve the supporting effect of telescopic link to the bent cap, improve the construction quality of bent cap.

This practicality further sets up to be equipped with the stiffener of a plurality of slopes on the outer peripheral face of stay tube, the top and the stay tube fixed connection of stiffener, bottom and base butt.

Through adopting above-mentioned technical scheme, the stiffener slope sets up, increases the stability of being connected of stay tube and base on the one hand, and on the other hand increases the area of contact of stay tube and base, with better transmission of the load on the stay tube for base and cushion cap, further reduces the load to stay tube and sheathed tube to with stress dispersion, help improving the life of support.

This practicality further sets up to, the top fixedly connected with backup pad of telescopic link.

Through adopting above-mentioned technical scheme, the backup pad can increase the area of contact of telescopic link and bent cap, increases the support effect to the bent cap, reduces the sunken condition of bent cap appearance in the work progress, improves the construction quality of bent cap.

This practicality further sets up to, is connected with the strengthening rib between telescopic link and the backup pad.

Through adopting above-mentioned technical scheme, the strengthening rib increases the joint strength between telescopic link and the backup pad, reduces the junction deformation or the cracked condition of backup pad and telescopic link, improves the life of support.

To sum up, the utility model discloses following beneficial effect has:

1. the base is detachably connected with the bearing platform, so that the mounting and dismounting are convenient, and the use is convenient; a lifting assembly is connected between the telescopic rod and the sleeve, and drives the telescopic rod to ascend or descend so as to adjust the height of the support, so that the support can support the cover beams with different heights, the use range of the support is enlarged, the repeated utilization rate is high, and the construction cost is reduced;

2. the locking nut and the supporting tube are arranged, so that the weight borne by the sleeve can be reduced, the load of the sleeve is reduced, the fracture condition of the sleeve is reduced, and the service life of the support is prolonged;

3. the top of telescopic link sets up the backup pad, increases the area of contact of telescopic link and bent cap, increases the support effect to the bent cap, improves the construction quality of bent cap.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a sectional view intended to show the bracket and the lifting assembly;

fig. 3 is a partial structural schematic diagram intended to clearly show the synchronizing assembly and the steering assembly.

Reference numerals: 1. a capping beam; 2. a bearing platform; 21. a base; 211. an annular groove; 3. a support; 31. a sleeve; 311. a containing groove; 32. a telescopic rod; 321. locking the nut; 322. supporting a tube; 3221. a reinforcing bar; 323. a support plate; 324. reinforcing ribs; 4. a lifting assembly; 41. a nut; 42. a lead screw; 421. a motor; 5. a fixing assembly; 51. a fixing sheet; 52. fixing the bolt; 6. a synchronization component; 61. a synchronizing wheel; 62. a synchronous belt; 7. a steering assembly; 71. a first bevel gear; 72. a second bevel gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a pier bent cap supporting structure, as shown in figure 1, is including setting up a plurality of bases 21 on cushion cap 2, and a plurality of bases 21 are along the length interval evenly distributed of cushion cap 2, and base 21 can dismantle with cushion cap 2 and be connected. Referring to fig. 2, a bracket 3 for supporting the capping beam 1 is coupled to the base 21.

As shown in fig. 1, the base 21 has a rectangular plate-like structure, the fixing member 5 is disposed between the base 21 and the platform 2, the fixing member 5 includes four fixing pieces 51 and four fixing bolts 52, the four fixing pieces 51 are horizontally disposed and distributed at four corners of the base 21, and the bottom surface of the fixing piece 51 is abutted to the top surface of the platform 2. Four fixing bolts 52 are arranged and are respectively in threaded connection with the four fixing pieces 51, and the fixing bolts 52 vertically penetrate through the fixing pieces 51 and then are in threaded connection with the bearing platform 2.

Referring to fig. 1 and 2, the bracket 3 includes a sleeve 31 and a telescopic rod 32, the sleeve 31 is a circular tubular structure, an axis of the sleeve 31 is vertical, and a bottom end of the sleeve 31 is fixedly connected to the base 21. The telescopic rod 32 is a vertically arranged cylindrical structure, and the telescopic rod 32 is embedded in the sleeve 31 and is connected with the sleeve 31 in a sliding manner. Seted up on sleeve pipe 31's the inner wall and held groove 311, the length direction that holds groove 311 is the same with sleeve pipe 31's length direction, holds groove 311 and is equipped with two and about sleeve pipe 31's axis symmetry, all is equipped with the lifting unit 4 that drive telescopic link 32 reciprocated in two hold grooves 311.

As shown in fig. 2, the lifting assembly 4 includes a nut 41 and a screw rod 42, the screw rod 42 is vertically disposed, two ends of the screw rod 42 are rotatably connected to the inner wall of the containing groove 311, the nut 41 is sleeved on the screw rod 42 and is in threaded connection with the screw rod 42, and the nut 41 is fixedly connected to the outer peripheral surface of the telescopic rod 32. With reference to fig. 3, a synchronizing assembly 6 is connected between the two lead screws 42, the synchronizing assembly 6 includes two synchronizing wheels 61 and two synchronizing belts 62, the two synchronizing wheels 61 are respectively fixedly connected to the bottom ends of the two lead screws 42, and the synchronizing belts 62 are simultaneously engaged with the two synchronizing wheels 61.

As shown in fig. 2, a motor 421 is connected to the bottom end of one of the screw rods 42, a steering assembly 7 is arranged between the motor 421 and the screw rod 42, the steering assembly 7 includes a first bevel gear 71 and a second bevel gear 72, the first bevel gear 71 is coaxial with the screw rod 42 and is fixedly connected to the bottom end of the screw rod 42, the axis of the second bevel gear 72 is horizontal, the second bevel gear 72 is fixedly connected to the output end of the motor 421, the second bevel gear 72 is engaged with the first bevel gear 71, and the motor 421 is fixedly connected to the base 21.

When the height of the support 3 is adjusted, the motor 421 drives the second bevel gear 72 to rotate, the second bevel gear 72 drives the first bevel gear 71 and the screw rod 42 to rotate, and under the action of the synchronous belt 62 and the synchronous wheel 61, the two screw rods 42 are driven to rotate simultaneously, so that the two screws 41 simultaneously drive the telescopic rod 32 to move upwards or descend, the height of the support 3 is adjusted, and the cover beams 1 with different heights are supported.

As shown in fig. 2, a horizontal support plate 323 is fixedly connected to the top end of the telescopic rod 32, four reinforcing ribs 324 are connected between the support plate 323 and the telescopic rod 32, and the four reinforcing ribs 324 are uniformly distributed along the circumferential surface of the telescopic rod 32 at intervals. The reinforcing ribs 324 are obliquely arranged, the bottom ends of the reinforcing ribs are fixedly connected with the circumferential surface of the telescopic rod 32, and the top ends of the reinforcing ribs are obliquely inclined in the direction away from the telescopic rod 32 and fixedly connected with the bottom surface of the supporting plate 323.

Referring back to fig. 1, the telescopic rod 32 is sleeved with a locking nut 321, an internal thread is arranged in the locking nut 321, an external thread matched with the internal thread of the locking nut 321 is arranged on the outer wall of the telescopic rod 32, and the telescopic rod 32 is in threaded connection with the locking nut 321. The bottom surface of the locking nut 321 is connected with a supporting pipe 322, the supporting pipe 322 is a round tubular structure, the diameter of the supporting pipe 322 is larger than that of the sleeve 31, and the supporting rod is sleeved on the periphery of the sleeve 31. The top surface of the support tube 322 is fixedly connected with the bottom surface of the locking nut 321.

As shown in fig. 1, the base 21 is provided with an annular groove 211 for engaging with the support tube 322, the axis of the annular groove 211 coincides with the axis of the support tube 322, the diameter of the inner wall of the annular groove 211 is the same as that of the inner wall of the support tube 322, the diameter of the outer wall of the annular groove 211 is the same as that of the outer wall of the support tube 322, and when the bottom surface of the lock nut 321 abuts against the top surface of the sleeve 31, the bottom end of the support tube 322 engages into the annular groove 211 and abuts against the bottom surface of the.

As shown in fig. 1, four reinforcing rods 3221 are disposed on the circumferential surface of the support pipe 322, the reinforcing rods 3221 are disposed in an inclined manner, the top ends of the reinforcing rods 3221 are fixedly connected to the circumferential surface of the support pipe 322, the bottom ends of the reinforcing rods 3221 are inclined in a direction away from the support pipe 322, and when the bottom surface of the support pipe 322 abuts against the bottom surface of the annular groove 211, the bottom surface of the reinforcing rods 3221 abuts against the top surface of the base 21.

After the height of the telescopic rod 32 is adjusted through the screw rod 42 and the nut 41, the locking nut 321 is rotated, so that the locking nut 321 moves downwards and abuts against the top surface of the sleeve 31, at the moment, the bottom surface of the supporting pipe 322 abuts against the bottom surface of the annular groove 211, the bottom surface of the reinforcing rod 3221 abuts against the bottom surface of the base 21, the supporting pipe 322 and the reinforcing rod 3221 bear the weight of the cover beam 1, the weight borne by the sleeve 31 is reduced, and the service life of the support 3 is prolonged.

The utility model discloses a use as follows:

during construction, firstly, the base 21 is fixedly connected with the bearing platform 2 through the fixing pieces 51 and the fixing bolts 52, so that the support 3 is fixedly connected with the bearing platform 2; then, the motor 421 drives the screw rod 42 to rotate, and the nut 41 moves along the screw rod 42 to drive the telescopic rod 32 to ascend or descend so as to adjust the height of the telescopic rod 32; then, the lock nut 321 is rotated, the lock nut 321 moves downwards along the telescopic rod 32, the bottom surface of the lock nut 321 is abutted to the top surface of the sleeve 31, finally, the support pipe 322 is embedded in the annular groove 211 and abutted to the bottom surface of the annular groove 211, the reinforcing rod 3221 is abutted to the top surface of the base 21, the support strength of the cover beam 1 is increased, the condition that the sleeve 31 is broken is reduced, and the service life of the support 3 is prolonged.

When the support 3 is dismounted, only the fixing of the fixing bolt 52 on the base 21 needs to be removed, so that the dismounting is convenient, the repeated utilization rate is high, and the construction cost is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a pier bent cap supporting structure, includes base (21) of setting on cushion cap (2), its characterized in that: base (21) can be dismantled with cushion cap (2) and be connected with, be equipped with support (3) on base (21), support (3) are including sleeve pipe (31) and telescopic link (32), sleeve pipe (31) and base (21) fixed connection, telescopic link (32) cover is established in sleeve pipe (31) and sleeve pipe (31) sliding connection, seted up on the inner wall of sleeve pipe (31) and held groove (311), hold and be equipped with lifting unit (4) that drive telescopic link (32) reciprocated in groove (311).

2. The pier capping beam bracket structure of claim 1, wherein: the lifting component (4) comprises a screw nut (41) and a lead screw (42) which is rotatably connected in the containing groove (311), the screw nut (41) is sleeved on the lead screw (42) and is in threaded connection with the lead screw (42), and the screw nut (41) is fixedly connected with the telescopic rod (32).

3. The pier capping beam bracket structure of claim 1, wherein: the telescopic rod (32) is sleeved with a locking nut (321), the outer wall of the telescopic rod (32) is provided with an external thread, the inner wall of the locking nut (321) is provided with an internal thread, and the locking nut (321) is in threaded connection with the telescopic rod (32).

4. The pier capping beam bracket structure of claim 3, wherein: the periphery cover of sleeve pipe (31) is equipped with stay tube (322), the top and lock nut (321) fixed connection of stay tube (322), bottom and base (21) butt.

5. The pier capping beam bracket structure of claim 4, wherein: an annular groove (211) used for being embedded into the supporting pipe (322) is formed in the base (21), and the bottom end of the supporting pipe (322) is embedded into the annular groove (211).

6. The pier capping beam bracket structure of claim 4, wherein: a plurality of inclined reinforcing rods (3221) are arranged on the peripheral surface of the supporting pipe (322), the top ends of the reinforcing rods (3221) are fixedly connected with the supporting pipe (322), and the bottom ends of the reinforcing rods are abutted against the base (21).

7. The pier capping beam bracket structure of claim 1, wherein: the top end of the telescopic rod (32) is fixedly connected with a supporting plate (323).

8. The pier capping beam bracket structure of claim 7, wherein: a reinforcing rib (324) is connected between the telescopic rod (32) and the supporting plate (323).