CN217001048U

CN217001048U - Steel-wood combined structure support frame top unloading mechanism

Info

Publication number: CN217001048U
Application number: CN202122435502.5U
Authority: CN
Inventors: 白山; 杨应辉; 苗子良; 刘凯; 刘晨醒
Original assignee: Beijing Urban Construction Group Co Ltd
Current assignee: Beijing Urban Construction Group Co Ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-07-19
Anticipated expiration: 2031-10-11

Abstract

The application relates to a steel wood integrated configuration support frame top uninstallation mechanism belongs to the field of wood truss arch installation technique. It includes jack and support frame, the jack has a plurality ofly and a plurality of jack parallel arrangement is on the support frame, and is a plurality of the equal vertical upwards extension of piston rod of jack is a plurality of the terminal backup pad that is on a parallel with ground of piston rod of jack is provided with, just be located and be provided with the extensible member between a plurality of jacks on the support frame, first through-hole has been seted up with the relative position of extensible member in the backup pad, the one end of extensible member is through first through-hole and extend the backup pad and keep away from ground side, the extensible member is kept away from ground end and is provided with the connecting piece, the connecting piece encircles with the wood truss that needs the support and is connected. The problem that horizontal thrust can't be resisted to the jack can be improved to this application.

Description

Top unloading mechanism of steel-wood combined structure support frame

Technical Field

The application relates to the field of wood truss arch installation technology, in particular to a top unloading mechanism of a support frame of a steel-wood combined structure.

Background

When building buildings with large dome span such as gymnasiums, exhibition halls and large public places, the building domes are usually supported by using light-weight and strong wood truss arches. The wood truss arch is formed by splicing a plurality of wood trusses, and is convenient to transport and install.

When the wood truss arch is installed on site, the wood truss arch is usually supported by a hydraulic jack and a screw jack, so that the wood truss arch is convenient to splice and install; and when the whole truss is closed, the hydraulic jack and the screw jack are detached.

In view of the above-mentioned related technologies, the inventor believes that the wood truss arch is supported by the jack, and since the jack can only conduct force in the vertical direction and cannot resist horizontal thrust, the jack is prone to toppling due to the horizontal thrust in the installation process of the wood truss arch, thereby causing safety accidents.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that horizontal thrust can't be resisted to the jack, this application provides a steel-wood composite construction support frame top uninstallation mechanism.

The application provides a steel wood integrated configuration support frame top uninstallation mechanism adopts following technical scheme:

the utility model provides a steel-wood integrated configuration support frame top uninstallation mechanism, includes jack and support frame, the jack has a plurality ofly and a plurality of jack parallel arrangement is on the support frame, and is a plurality of the equal vertical upwards extension of piston rod of jack is a plurality of the piston rod end of jack is on a parallel with ground and is provided with the backup pad, just be located and be provided with the extensible member between a plurality of jacks on the support frame, first through-hole has been seted up with the position that the extensible member is relative in the backup pad, the one end of extensible member extends the backup pad far away ground face side through first through-hole, the extensible member is kept away from ground end and is provided with the connecting piece, the connecting piece encircles with the wood truss that needs the support and is connected.

Through adopting above-mentioned technical scheme, when supporting the wood truss arch, utilize the jack to support the wood truss arch and carry out the adjustment of height, the connecting piece removes along with the removal of jack piston rod for the one end of extensible member is located the first through-hole of backup pad all the time. When the stress of the wood truss arch supported by the connecting piece is unbalanced or external thrust is applied in the splicing process of the wood truss arch, the connecting piece transmits the horizontal stress to the expansion piece, and the expansion piece offsets the force in the horizontal direction, so that the jack cannot be inclined, and the problem that the jack cannot resist the horizontal thrust is solved.

Optionally, the telescopic part comprises a first steel pipe and a second steel pipe, the first steel pipe is vertically arranged on the support frame, one end of the second steel pipe is slidably arranged in the first steel pipe, and the other end of the second steel pipe penetrates through the first through hole.

Through adopting above-mentioned technical scheme, the extensible member includes first steel pipe and second steel pipe, and first steel pipe setting is on the support frame, and the second steel pipe slides and sets up in first steel pipe to be convenient for the second steel pipe along the length direction of first steel pipe with the flexible of jack piston rod and remove.

Optionally, the connecting piece is hinged to the top end of the second steel pipe.

Through taking above-mentioned technical scheme, the articulated setting of connecting piece is on the top of second steel pipe for the connecting piece can be convenient for support different curved wood truss arches with the radian looks adaptation that wood truss arched, also can support the different positions that wood truss arched simultaneously, and application scope is wider.

Optionally, the connecting piece includes connecting plate and otic placode, the otic placode setting is on the connecting plate is close to one side face of extensible member, the second through-hole has been seted up on the otic placode, the top level of second steel pipe is provided with the body, the body is worn to establish in the second through-hole.

Through taking above-mentioned technical scheme, the body on second steel pipe top is worn to establish in the second through-hole on the otic placode for the otic placode can rotate around the body, and then makes the connecting plate rotate around the body, reaches the wood truss arch that is convenient for to different angles and carries out the effect of supporting.

Optionally, a plurality of third through holes are formed in the connecting plate, and screws penetrate through the third through holes.

By adopting the technical scheme, the connecting plate is connected with the wood truss arch to be supported by the screws, so that the effect of conveniently installing the wood truss arch to be supported on the connecting plate is achieved.

Optionally, the support frame includes crossbeam and landing leg, be provided with the supporting seat on the crossbeam, jack and first steel pipe setting are on the supporting seat.

Through adopting above-mentioned technical scheme, be provided with the supporting seat on the crossbeam, reach the effect of the height of being convenient for adjust the jack.

Optionally, a hoop suite is arranged on the supporting seat and comprises a connecting bolt and a pressing plate, the pressing plate is arranged below the cross beam and is opposite to the supporting seat, a plurality of threaded holes are formed in the supporting seat and the pressing plate in a relatively opened mode, and the connecting bolt penetrates through the threaded holes to connect the supporting seat and the pressing plate.

Through taking above-mentioned technical scheme, be provided with the staple bolt external member on the supporting seat, be convenient for can dismantle the supporting seat and connect on the crossbeam, can adjust the position of supporting seat simultaneously according to the difference of supported position, install the different positions on the crossbeam with the supporting seat.

Optionally, the support frame is provided with an inclined strut, an inclined highest end of the inclined strut is connected to the cross beam, and an inclined lowest end of the inclined strut is connected to the support leg.

Through adopting above-mentioned technical scheme, be provided with the diagonal brace on the support frame to on conducting the landing leg through the diagonal brace with the pressure that the crossbeam received, avoid the crossbeam to receive too big and buckle of pressure to a certain extent.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the telescopic piece is arranged on the support frame, the connecting piece is arranged at the top end of the telescopic piece, so that one end of the telescopic piece is connected with the support frame, and the other end of the telescopic piece is always positioned in the support plate on the jack, so that when a supported wood truss arch is subjected to horizontal thrust, the horizontal thrust is transmitted to the telescopic piece through the connecting piece, the horizontal thrust is resisted through the telescopic piece, the possibility that the jack is subjected to the horizontal thrust is reduced, and the problem that the jack cannot resist the horizontal thrust is solved;

2. the top end of the second steel pipe is provided with a connecting piece, so that a wood truss arch to be supported can be conveniently connected with the connecting plate through the connecting piece; meanwhile, the connecting piece is connected with the second steel pipe and is always positioned on the supporting plate under the action of gravity, so that the second steel pipe is always positioned in the first through hole of the supporting plate under the condition that the second steel pipe is not connected with the supporting plate.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a partial structural schematic view for showing a jack in the embodiment of the present application.

Description of the reference numerals:

1. a jack; 11. a support plate; 111. a first through hole; 2. a support frame; 21. a cross beam; 22. a support leg; 23. a diagonal brace; 3. a telescoping member; 31. a first steel pipe; 32. a second steel pipe; 321. a tube body; 4. a connecting member; 41. a connecting plate; 411. a third through hole; 412. a screw; 42. an ear plate; 421. a second through hole; 5. a supporting seat; 51. an upper plate; 52. a lower plate; 53. a rib plate; 6. a hoop suite; 61. a connecting bolt; 62. pressing a plate; 7. a threaded bore.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses steel wood integrated configuration support frame top uninstallation mechanism, refer to fig. 1 and fig. 2, a steel wood integrated configuration support frame top uninstallation mechanism includes jack 1 and support frame 2, and support frame 2 is formed by landing leg 22 and crossbeam 21 welding, and crossbeam 21 is square steel pipe, and landing leg 22 is triangle-shaped and is formed by the square steel welding. The supporting legs 22 are welded to the cross beam 21 at two ends of the cross beam 21 in parallel, and steel plates for increasing the contact area with the ground are welded to the bottom ends of the supporting legs 22. Jack 1 installs on crossbeam 21, jack 1 is screw jack or hydraulic jack, and jack 1 installs four on crossbeam 21, and wherein two jacks 1 are a set of, and jack 1's piston rod is all vertical upwards to extend, at a set of two jack 1's piston rod top fixedly connected with backup pad 11, and the face of backup pad 11 is on a parallel with ground, and the size of backup pad 11 is 36 × 200 × 500 mm. A first through hole 111 is formed in the center of the supporting plate 11, an expansion piece 3 is installed between the two jacks 1 in one group, and one end of the expansion piece 3 penetrates through the supporting plate 11 through the first through hole 111 and extends out of the upper plate surface of the supporting plate 11. A connecting piece 4 is mounted on the top end of the telescopic piece 3. The jack 1 can be a plurality of jacks 1, the jacks 1 are parallel to each other, and the telescopic piece 3 is positioned in the center of the jacks 1.

When supporting the wood truss arch, support the wood truss arch through jack 1 is last, jack 1 can only bear the wood truss arch through the vertical power of transmitting to jack 1 of backup pad 11, when the wood truss arch atress is uneven or receives the horizontal thrust that the external world applyed, horizontal thrust passes through connecting piece 4 and transmits for extensible member 3, bears horizontal thrust through extensible member 3, has improved the problem that jack 1 can't resist horizontal thrust.

Referring to fig. 1 and 2, the extensible member 3 includes a first steel pipe 31 and a second steel pipe 32, the first steel pipe 31 is vertically installed on the beam 21, the first steel pipe 31 is formed by machining a seamless steel pipe with a size of 140 × 9mm, the second steel pipe 32 is formed by machining a seamless steel pipe with a size of 121 × 8mm, one end of the second steel pipe 32 is slidably installed in the first steel pipe 31, and the other end of the second steel pipe 32 penetrates through the support plate 11 through the first through hole 111 and extends out of the upper plate surface of the support plate 11.

Referring to fig. 1 and 2, a connector 4 is attached to the top end of the second steel pipe 32 and positioned on the upper plate surface of the support plate 11. The connecting piece 4 comprises a connecting plate 41 and two lug plates 42, wherein the connecting plate 41 is a rectangular metal plate, the two lug plates 42 are parallel to each other and are welded on the surface of one side of the connecting plate 41 facing the support plate 11, and one end of the lug plate 42 facing the support plate 11 is arc-shaped. The two end portions of the two ear plates 42 close to the supporting plate 11 are provided with second through holes 421, and the second through holes 421 on the two ear plates 42 are opposite to each other. A pipe body 321 is welded at the top end of the second steel pipe 32, the length direction of the pipe body 321 is parallel to the ground, the pipe body 321 penetrates through the two second through holes 421, and the connecting plate 41 can rotate around the axis of the pipe body 321. The four corners of the connecting plate 41 are all provided with third through holes 411, and screws 412 penetrate through the third through holes 411.

When the wood truss arch is supported, the wood truss is connected with the connecting plate 41 through the screw 412, the jack 1 is started, and the piston rod of the jack 1 extends out, so that the wood truss arch is supported, and the height of the wood truss arch can be adjusted in the supporting process. The pipe body 321 is welded at the top end of the second steel pipe 32, the pipe body 321 is located on the upper plate surface of the supporting plate 11 all the time under the action of self weight and gravity of the connecting piece 4, the second steel pipe 32 penetrates through the supporting plate 11 and can move along the length direction of the first steel pipe 31 along with the movement of the supporting plate 11, and the effect of resisting horizontal thrust applied to the jack 1 is achieved all the time.

Referring to fig. 1 and 2, a support base 5 is mounted on a cross beam 21, the support base 5 is composed of an upper plate 51, a lower plate 52 and a rib 53, the lower plate 52 is placed on the cross beam 21, the plate surface of the upper plate 51 is parallel to the plate surface of the lower plate 52, and the upper plate 51 and the lower plate 52 are connected and supported through the rib 53. The first steel pipe 31 vertically penetrates through the upper plate 51 and extends to the upper plate surface of the lower plate 52, and the first steel pipe 31 is fixedly connected with the upper plate 51 and the lower plate 52. The hoop suite 6 is installed on the lower plate 52, the hoop suite 6 comprises a connecting bolt 61 and a pressing plate 62, the pressing plate 62 is tightly attached to the lower surface of the cross beam 21, the pressing plate 62 is opposite to the lower plate 52, a plurality of threaded holes 7 are formed in the pressing plate 62 and the lower plate 52, and the connecting bolt 61 penetrates through the two threaded holes 7 to connect the pressing plate 62 with the lower plate 52.

When the installation supports the wood truss arch, jack 1's height may not reach the supporting height, through erection bracing seat 5 on crossbeam 21, can carry out bed hedgehopping with jack 1 for jack 1's application scope is wider. When the supporting seat 5 is installed, the supporting seat 5 is detachably fixed on the cross beam 21 through the hoop sleeve 6, the position of the supporting seat 5 is convenient to adjust, and different supporting points of the wood truss arch can be supported in actual use.

Referring to fig. 1, two diagonal braces 23 are welded on a support frame 2, the diagonal braces 23 are formed by cutting square steel, the inclined highest ends of the diagonal braces 23 are welded with the lower surface of a cross beam 21 and are located in the middle of the cross beam 21, and the inclined highest ends of the two diagonal braces 23 are close to each other; the lowest inclined ends of the two inclined supporting rods 23 are respectively welded with the supporting legs 22 at the two sides.

The application embodiment of the present application provides a mechanism for unloading the top of a support frame with a steel-wood composite structure, and the principle is as follows: when the wood truss arch is supported, the supporting seat 5 is arranged on the cross beam 21 through the hoop sleeve 6; the connecting plate 41 is rotated to enable the connecting plate 41 to be opposite to the wood truss, the wood truss is connected with the connecting plate 41 through the screw 412, the jack 1 is started, the wood truss is supported through the jack 1, and the supporting height is adjusted. When the wood truss arch is subjected to horizontal thrust, the connecting plate 41 is subjected to resultant force of the horizontal thrust and the gravity of the wood truss arch, the lug plate 42 is hinged to the second steel pipe 32, the resultant force is transmitted to the second steel pipe 32 and the support plate 11 along the length direction of the plate body of the lug plate 42, and the first steel pipe 31 and the second steel pipe 32 bear component force in the horizontal direction and the support plate 11 bears component force in the vertical direction. Thereby improving the problem that the jack 1 cannot resist horizontal thrust.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a steel-wood integrated configuration support frame top uninstallation mechanism, includes jack (1) and support frame (2), jack (1) has a plurality ofly and a plurality of jack (1) parallel arrangement is on support frame (2), and is a plurality of the equal vertical upwards extension of piston rod of jack (1), its characterized in that: it is a plurality of the terminal backup pad (11) that is parallel to ground of piston rod of jack (1) is provided with, be provided with extensible member (3) on support frame (2) and between being located a plurality of jack (1), first through-hole (111) have been seted up with extensible member (3) relative position on backup pad (11), the ground face side far away of backup pad (11) is extended through first through-hole (111) to the one end of extensible member (3), extensible member (3) are kept away from the ground end and are provided with connecting piece (4), connecting piece (4) are connected with the wood truss arch that needs the support.

2. The top unloading mechanism for the support frame of the steel-wood composite structure as claimed in claim 1, wherein: the telescopic piece (3) comprises a first steel pipe (31) and a second steel pipe (32), the first steel pipe (31) is vertically arranged on the support frame (2), one end of the second steel pipe (32) is slidably arranged in the first steel pipe (31), and the other end of the second steel pipe is arranged in the first through hole (111) in a penetrating mode.

3. The top unloading mechanism for the support frame of the steel-wood composite structure as claimed in claim 2, wherein: the connecting piece (4) is hinged to the top end of the second steel pipe (32).

4. The top unloading mechanism for the support frame of the steel-wood composite structure as claimed in claim 3, wherein: connecting piece (4) are including connecting plate (41) and otic placode (42), otic placode (42) set up on connecting plate (41) are close to one side face of extensible member (3), second through-hole (421) have been seted up on otic placode (42), the top level of second steel pipe (32) is provided with body (321), body (321) are worn to establish in second through-hole (421).

5. The top unloading mechanism for the support frame of the steel-wood combined structure as claimed in claim 4, wherein: a plurality of third through holes (411) are formed in the connecting plate (41), and screws (412) penetrate through the third through holes (411).

6. The top unloading mechanism for the support frame of the steel-wood combined structure as claimed in claim 2, wherein: support frame (2) include crossbeam (21) and landing leg (22), be provided with supporting seat (5) on crossbeam (21), jack (1) and first steel pipe (31) all set up on supporting seat (5).

7. The top unloading mechanism for the support frame of the steel-wood composite structure as claimed in claim 6, wherein: be provided with staple bolt external member (6) on supporting seat (5), staple bolt external member (6) are including connecting bolt (61) and clamp plate (62), clamp plate (62) set up in crossbeam (21) below and just right mutually with supporting seat (5) be equipped with a plurality of screw holes (7) on supporting seat (5) and clamp plate (62) relatively open, connecting bolt (61) are worn to establish and are connected supporting seat (5) and clamp plate (62) in screw hole (7).

8. The top unloading mechanism for the support frame of the steel-wood composite structure as claimed in claim 6, wherein: the supporting frame (2) is provided with an inclined stay bar (23), the inclined highest end of the inclined stay bar (23) is connected with the cross beam (21), and the inclined lowest end of the inclined stay bar (23) is connected with the supporting leg (22).