CN214330060U

CN214330060U - Support frame for civil engineering construction

Info

Publication number: CN214330060U
Application number: CN202023120560.0U
Authority: CN
Inventors: 孟鼎; 陈永霞
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-10-01
Anticipated expiration: 2030-12-22

Abstract

The utility model relates to the technical field of civil engineering building support, in particular to a support frame for civil engineering construction, which comprises a base, wherein the upper end surface of the base is connected with a mounting sleeve, a screw rod is arranged in the mounting sleeve, and the upper end opening of the mounting sleeve is provided with a threaded connector matched with the screw rod; a polygonal sliding groove is arranged in the screw rod, and a rotating rod is arranged in the polygonal sliding groove; a driven gear mounting groove is formed in the base, and a driven gear is arranged at the end part, extending into the driven gear mounting groove, of the rotating rod; a driving gear mounting groove is formed in the base, a gear shaft is arranged in the driving gear mounting groove, a driving gear meshed with the driven gear is arranged on the gear shaft, and the diameter of the driving gear is smaller than that of the driven gear; the end part of the gear shaft extends out of the upper end surface of the base; the upper end of the screw rod is connected with a plurality of connecting rods, the upper end of each connecting rod is provided with a supporting column, and the upper end of each supporting column is provided with a supporting plate. The utility model discloses comparatively convenient and stable regulation of realization backup pad height.

Description

Support frame for civil engineering construction

Technical Field

The utility model relates to a civil engineering building supports technical field, and specifically speaking relates to a support frame is used in civil engineering construction.

Background

At present, in the building industry, a large number of scaffolds, battens and boards are used as a support system for building floor pouring, wherein the battens and the boards are supported by the scaffolds, then concrete is directly poured on the battens and the boards, and a top beam and a floor slab are formed after the concrete is solidified.

Patent document No. CN210369898U discloses an autonomously adjustable support frame for civil engineering construction, which comprises a support base, an extension bar and a jacking adjustment device; an angle adjusting support bottom arm is arranged on the top side of the support base and is designed as an angle adjusting device; an extension bar is inserted into the upper side of the angle adjusting support bottom arm; the upper side of the extension bar is inserted with a jacking adjusting device. This civil engineering construction uses can be independently adjusted the bracing frame be equipped with the upside end outer wall of bottom extension bar on with the downside end outer wall of top extension bar on the equal symmetry be provided with helicitic texture, and these two helicitic texture be positive and negative silk structure to bottom extension bar and the equal threaded fixing of the helicitic texture of top extension bar are in the middle of the both ends inboard of rotating sleeve. Although the utility model discloses an accessible rotates telescopic rotation and makes bottom extension bar and top extension bar carry out relative movement, thereby play the length adjustment to this strutting arrangement, but when the use of reality because rotate the middle-section portion that the sleeve setting can independently be adjusted at this civil engineering construction usefulness, when the room height is too high, it is located higher position department to rotate the sleeve, thereby the difficult rotation that realizes rotating the sleeve, and it is equipped with top extension bar and bottom extension bar respectively to rotate telescopic both ends, thereby there is the defect of rotation difficulty when leading to rotating the sleeve and rotating.

SUMMERY OF THE UTILITY MODEL

To the ordinary inconvenient defect of support frame for civil engineering construction that has altitude mixture control function that exists among the prior art, the utility model provides a support frame for civil engineering construction. It can realize comparatively stable and convenient function of adjusting the height.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a supporting frame for civil engineering construction comprises a base, wherein the upper end face of the base is fixedly connected with a mounting sleeve with two open ends, a screw rod matched with the gap of the mounting sleeve is arranged in the mounting sleeve, and a threaded connector matched with the screw rod is arranged at an opening at the upper end part of the mounting sleeve; a polygonal sliding groove with an opening positioned on the bottom end face of the screw rod is arranged in the screw rod, and a rotating rod in clearance fit with the polygonal sliding groove is arranged in the polygonal sliding groove; a driven gear mounting groove is formed in the base and located right below the rotating rod, the end portion of the rotating rod extends into the driven gear mounting groove, and a driven gear is arranged at the end portion, extending into the driven gear mounting groove, of the rotating rod; a driving gear mounting groove communicated with the driven gear mounting groove is formed in the base, a rotatable gear shaft is arranged in the driving gear mounting groove, a driving gear meshed with the driven gear is arranged on the gear shaft, and the diameter of the driving gear is smaller than that of the driven gear; the end part of the gear shaft extends out of the upper end surface of the base; a threaded cavity is formed in the screw rod, is opened at the top end of the screw rod and is not communicated with the polygonal sliding groove; be connected with a plurality of connecting rod in the screw thread chamber, the one end of connecting rod be equipped with screw thread chamber matched with threaded connection head, the other end of connecting rod be equipped with threaded connection head matched with thread connection seat, the upper end of a plurality of connecting rod be equipped with thread connection seat matched with support column, the upper end of support column is equipped with the backup pad.

The utility model discloses comparatively convenient realization is to the regulation of backup pad height, through the diameter ratio between driving gear and the driven gear for the adjustment of screw rod height is realized to the running gear axle that the user can be comparatively light, thereby comparatively stable regulation of realization backup pad height.

Preferably, a blind hole with an opening located on the bottom end face of the screw is formed in the screw, the inner wall of the blind hole is recessed inwards to form a plurality of strip-shaped grooves, and the blind hole and the strip-shaped grooves jointly form a polygonal sliding groove.

Through the utility model discloses a setting of polygon recess can enough make the screw rod rotate along with the rotation of dwang, simultaneously also comparatively stable realization to the regulation of screw rod height.

Preferably, the gear shaft is provided with a ratchet wheel positioned above the driving gear, the base is provided with a limiting rod mounting groove communicated with the driving gear mounting groove, a slidable limiting rod is arranged in the limiting rod mounting groove, one end of the limiting rod extends out of the limiting rod mounting groove, and the other end of the limiting rod extends out of the base; the end part of the limiting rod extending out of the limiting rod mounting groove is provided with a limiting block matched with the ratchet wheel; the end part of the limiting rod, which is close to the limiting block, is expanded outwards along the circumferential direction of the limiting rod to form an annular baffle plate, a spring sleeved on the limiting rod is arranged in the limiting rod mounting groove, one end of the spring is abutted on the annular baffle plate, and the other end of the spring is abutted on the inner wall of the limiting rod mounting groove.

Through the utility model discloses a setting of gag lever post and ratchet, this support frame for civil engineering construction of promotion that can the preferred stability when using.

Preferably, the lower end of the mounting sleeve is flared outwardly in its circumferential direction to form a flange, and the flange is bolted to the base.

Through the utility model discloses a bolted connection between installation sleeve and the base, can and comparatively convenient realization to the maintenance of dwang and screw rod.

Preferably, the base comprises an upper cover plate and a lower cover plate which are connected through bolts, and a driving gear installation groove and a driven gear installation groove are formed by cavities between the upper cover plate and the lower cover plate.

Through the utility model discloses a setting of base structure, realization that can be comparatively convenient is to the installation of parts such as driving gear, driven gear.

Preferably, a hand wheel is arranged at the end part of the gear shaft extending out of the base.

Through the utility model discloses a setting of hand wheel can make things convenient for people to rotate gear shaft to make things convenient for people's use.

Drawings

Fig. 1 is a schematic structural view of the support frame for civil engineering construction in fig. 1.

Fig. 2 is a sectional view of the support frame for civil engineering construction in fig. 1.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 2.

Fig. 5 is a schematic structural view of the connecting rod in fig. 1.

Fig. 6 is a schematic structural view of the screw of fig. 1.

Fig. 7 is an enlarged view of a portion C in fig. 4.

The names of the parts indicated by the numerical references in the drawings are as follows:

110. a base; 111. an upper cover plate; 112. a lower cover plate; 120. installing a sleeve; 130. a screw; 140. a gear shaft; 150. a connecting rod; 160. a support pillar; 170. a support plate; 180. a hand wheel; 210. rotating the rod; 310. a threaded connector; 320. a polygonal chute; 330. a threaded cavity; 410. a driven gear mounting groove; 420. a driven gear; 430. a driving gear mounting groove; 440. a driving gear; 450. a ratchet wheel; 510. a threaded connector; 520. a threaded connection base; 610. blind holes; 620. a strip-shaped groove; 710. a limiting rod mounting groove; 720. a limiting rod; 730. a limiting block; 740. an annular baffle; 750. a spring.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention only and are not limiting.

Example 1

As shown in fig. 1 to 7, the present embodiment provides a support frame for civil engineering construction, which includes a base 110, a mounting sleeve 120 with two open ends is fixedly connected to an upper end surface of the base 110, a screw 130 is disposed in the mounting sleeve 120, the screw 130 is in clearance fit with the mounting sleeve 120, and a threaded connector 310 is disposed at an opening of an upper end portion of the mounting sleeve 120, the threaded connector being matched with the screw 130; a polygonal sliding groove 320 with an opening positioned on the bottom end face of the screw 130 is arranged in the screw 130, and a rotating rod 210 in clearance fit with the polygonal sliding groove 320 is arranged in the polygonal sliding groove 320; a driven gear installation groove 410 positioned right below the rotating rod 210 is formed in the base 110, the end of the rotating rod 210 extends into the driven gear installation groove 410, and a driven gear 420 is arranged at the end of the rotating rod 210 extending into the driven gear installation groove 410; a driving gear mounting groove 430 communicated with the driven gear mounting groove 410 is formed in the base 110, a rotatable gear shaft 140 is arranged in the driving gear mounting groove 430, a driving gear 440 meshed with the driven gear 420 is arranged on the gear shaft 140, and the diameter of the driving gear 440 is smaller than that of the driven gear 420; the end of the gear shaft 140 extends out of the upper end surface of the base 110; the screw 130 is also internally provided with a threaded cavity 330 positioned at the top end of the screw 130, and the threaded cavity 330 is not communicated with the polygonal sliding chute 320; be connected with a plurality of connecting rod 150 in the screw thread chamber 330, the one end of connecting rod 150 is equipped with the threaded connection head 510 with screw thread chamber 330 matched with, the other end of connecting rod 150 is equipped with the threaded connection seat 520 with threaded connection head 510 matched with, the upper end of a plurality of connecting rod 150 be equipped with threaded connection seat 520 matched with support column 160, the upper end of support column 160 is equipped with backup pad 170.

When the support frame for civil engineering construction in the embodiment is used, firstly, according to the height of a top beam or a floor slab template to be supported, a proper number of connecting rods 150 are selected to be connected to the supporting columns 160, then the connecting rod 150 at the bottommost end of the supporting column 160 is installed at the upper end part of the screw 130, such that the support plate 170 on the support column 160 is slightly lower than the height of the roof beam or floor form, and then the gear shaft 140 is rotated such that the pinion gear 440 is rotated, due to the engagement between the driving gear 440 and the driven gear 420, the driven gear 420 will drive the rotating rod 210 to rotate, due to the engagement between the rotating rod 210 and the screw 130, the screw 130 will rotate with the rotation of the rotating rod 210, due to the engagement between the screw 130 and the threaded connection port 310, the screw 130 will move in a vertical direction, so that the end of the support plate 170 is pressed against the form of the cap or the floor slab to support the form of the cap or the floor slab. The support frame for civil engineering construction in this embodiment compares in the contrast file but the support frame of autonomous control for civil engineering construction passes through driving gear 440, driven gear 420, cooperation between dwang 210 and the screw rod 130, make the user when utilizing the support frame for civil engineering construction in this embodiment to carry out the support of template, the rotatable gear shaft 140 of placing base 110 on the ground highly adjusts backup pad 170, thereby comparatively convenient realization is to the regulation of backup pad 170 height, diameter ratio through between driving gear 440 and driven gear 420, make the user can comparatively light change gear shaft 140 and realize the regulation of screw rod 130 height, thereby comparatively stable realization backup pad 170 height's regulation. In order to achieve stable movement of the screw 130 in the present embodiment, the ratio of the diameters of the driven gear 420 and the driving gear 440 is 2 to 5.

In this embodiment, the screw 130 is provided with a blind hole 610 having an opening at the bottom end surface of the screw 130, the inner wall of the blind hole 610 is recessed inward to form a plurality of strip-shaped grooves 620, and the blind hole 610 and the strip-shaped grooves 620 together form the polygonal sliding slot 320.

Through the arrangement of the polygonal groove 320 in this embodiment, not only can the screw 130 rotate along with the rotation of the rotating rod 210, but also the screw 130 can move relative to the rotating rod 210, so that the height of the screw 130 can be stably adjusted.

In this embodiment, the gear shaft 140 is provided with a ratchet 450 located above the driving gear 440, the base 110 is provided with a limit rod installation slot 710 communicated with the driving gear installation slot 430, a slidable limit rod 720 is arranged in the limit rod installation slot 710, one end of the limit rod 720 extends out of the limit rod installation slot 710, and the other end of the limit rod 720 extends out of the base 110; the end of the limiting rod 720 extending out of the limiting rod mounting groove 710 is provided with a limiting block 730 matched with the ratchet wheel 450; the end portion of the limiting rod 720 close to the limiting block 730 expands outwards along the circumferential direction of the limiting rod 720 to form an annular baffle 740, a spring 750 sleeved on the limiting rod 720 is arranged in the limiting rod mounting groove 710, one end of the spring 750 abuts against the annular baffle 740, and the other end of the spring 750 abuts against the inner wall of the limiting rod mounting groove 710.

Through the arrangement of the limiting rod 720 and the ratchet wheel 450 in the embodiment, the limiting block 730 on the limiting rod 720 can be abutted against the ratchet wheel 450 through the spring 750, so that the one-way limiting of the gear shaft 140 is realized, and the gear shaft 140 is prevented from reversely rotating. After the support of the support frame for civil engineering construction is completed, the limit rod 720 can be pulled and the gear shaft 140 can be rotated to lower the screw 130, so that the support plate 170 is separated from the support of the formwork. The arrangement of the limiting rod 720 and the ratchet 450 in this embodiment preferably improves the stability of the support frame for civil engineering construction in use.

In this embodiment, the lower end of the mounting sleeve 120 is expanded outward along the circumferential direction thereof to form a flange 121, and the flange 121 is bolted to the base 110.

Through the bolt connection between the mounting sleeve 120 and the base 110 in this embodiment, a user can open the mounting sleeve 120 relatively conveniently to maintain the rotating rod 210 and the screw 130 in the mounting sleeve 120, so that the maintenance of the rotating rod 210 and the screw 130 is relatively conveniently realized.

In this embodiment, the base 110 includes an upper cover plate 111 and a lower cover plate 112 connected by bolts, and a driving gear installation groove 430 and a driven gear installation groove 410 are formed by a cavity between the upper cover plate 111 and the lower cover plate 112.

Through the arrangement of the base 110 structure in this embodiment, the driving gear 440 and the driven gear 420 can be conveniently mounted.

In this embodiment, a handwheel 180 is disposed at the end of the gear shaft 140 extending out of the base 110.

Through the arrangement of the hand wheel 180 in the embodiment, people can conveniently rotate the gear shaft 140, so that the use of people is facilitated.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a support frame is used in civil engineering construction which characterized in that: the screw-thread connecting device comprises a base (110), wherein the upper end face of the base (110) is fixedly connected with a mounting sleeve (120) with two open ends, a screw (130) which is in clearance fit with the mounting sleeve (120) is arranged in the mounting sleeve (120), and a threaded connecting port (310) which is matched with the screw (130) is arranged at the opening of the upper end part of the mounting sleeve (120); a polygonal sliding groove (320) with an opening positioned on the bottom end face of the screw rod (130) is arranged in the screw rod (130), and a rotating rod (210) in clearance fit with the polygonal sliding groove (320) is arranged in the polygonal sliding groove (320); a driven gear installation groove (410) which is positioned right below the rotating rod (210) is formed in the base (110), the end part of the rotating rod (210) extends into the driven gear installation groove (410), and a driven gear (420) is arranged at the end part of the rotating rod (210) which extends into the driven gear installation groove (410); a driving gear mounting groove (430) communicated with the driven gear mounting groove (410) is formed in the base (110), a rotatable gear shaft (140) is arranged in the driving gear mounting groove (430), a driving gear (440) meshed with the driven gear (420) is arranged on the gear shaft (140), and the diameter of the driving gear (440) is smaller than that of the driven gear (420); the end part of the gear shaft (140) extends out of the upper end surface of the base (110); a threaded cavity (330) with an opening at the top end of the screw rod (130) is formed in the screw rod (130), and the threaded cavity (330) is not communicated with the polygonal sliding groove (320); be connected with a plurality of connecting rod (150) in screw thread chamber (330), the one end of connecting rod (150) is equipped with threaded connection head (510) with screw thread chamber (330) matched with, the other end of connecting rod (150) be equipped with threaded connection head (510) matched with threaded connection seat (520), the upper end of a plurality of connecting rod (150) be equipped with threaded connection seat (520) matched with support column (160), the upper end of support column (160) is equipped with backup pad (170).

2. The support frame for civil engineering construction according to claim 1, characterized in that: the screw rod (130) is internally provided with a blind hole (610) with an opening positioned on the bottom end face of the screw rod (130), the inner wall of the blind hole (610) is inwards recessed to form a plurality of strip-shaped grooves (620), and the blind hole (610) and the strip-shaped grooves (620) jointly form a polygonal sliding groove (320).

3. The support frame for civil engineering construction according to claim 1, characterized in that: a ratchet wheel (450) positioned above the driving gear (440) is arranged on the gear shaft (140), a limiting rod mounting groove (710) communicated with the driving gear mounting groove (430) is arranged on the base (110), a limiting rod (720) capable of sliding is arranged in the limiting rod mounting groove (710), one end of the limiting rod (720) extends out of the limiting rod mounting groove (710), and the other end of the limiting rod (720) extends out of the base (110); the end part of the limiting rod (720) extending out of the limiting rod mounting groove (710) is provided with a limiting block (730) matched with the ratchet wheel (450); the end part of the limiting rod (720) close to the limiting block (730) outwards expands along the circumferential direction of the limiting rod (720) to form an annular baffle (740), a spring (750) sleeved on the limiting rod (720) is arranged in the limiting rod mounting groove (710), one end of the spring (750) is abutted against the annular baffle (740), and the other end of the spring (750) is abutted against the inner wall of the limiting rod mounting groove (710).

4. The support frame for civil engineering construction according to claim 1, characterized in that: the lower end part of the mounting sleeve (120) expands outwards along the circumferential direction to form a flange (121), and the flange (121) is connected with the base (110) through bolts.

5. The support frame for civil engineering construction according to claim 1, characterized in that: the base (110) comprises an upper cover plate (111) and a lower cover plate (112) which are connected through bolts, and a cavity between the upper cover plate (111) and the lower cover plate (112) jointly forms a driving gear installation groove (430) and a driven gear installation groove (410).

6. The support frame for civil engineering construction according to claim 1, characterized in that: a hand wheel (180) is arranged at the end part of the gear shaft (140) extending out of the base (110).