CN213174714U

CN213174714U - Building construction extension beam frame

Info

Publication number: CN213174714U
Application number: CN202021730343.0U
Authority: CN
Inventors: 曾建; 胡海涛
Original assignee: Pengcheng Construction Group Co ltd
Current assignee: Pengcheng Construction Group Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-11
Anticipated expiration: 2030-08-19

Abstract

The utility model relates to a construction extension roof beam structure, the on-line screen storage device comprises a base, the equal fixed mounting in both ends at base top has the support frame, the other end fixedly connected with main workstation of support frame, the both ends of main workstation all slide and have cup jointed vice workstation, all be provided with the slider on two vice workstations, set up the spout unanimous with the length direction of two-way lead screw on the inside wall of main workstation, the slider laminates mutually with the inboard wall of spout sliding fit and slider and spout, the spout internal rotation is provided with two-way lead screw, the length direction of two-way lead screw is unanimous with the slip direction of vice workstation, two sliders are worn to locate on two-way lead screw opposite two sections screw rods of direction soon respectively the screw thread, be provided with on the main workstation. This application has the effect that increases the stability of whole workstation to a certain extent.

Description

Building construction extension beam frame

Technical Field

The application relates to the technical field of building construction equipment, in particular to a building construction extension beam frame.

Background

The construction is a production movement performed by people to construct various building products in a certain space and time according to a specific design blueprint by using various building materials and mechanical equipment. The method comprises the whole production process from construction preparation, earth breaking and engineering completion acceptance.

The existing Chinese patent with the publication number of CN210067377U discloses a building construction extension beam frame, which comprises a base, wherein two ends of the top of the base are both fixedly provided with a support frame, the other end of the support frame is fixedly connected with a main workbench, and two ends of the main workbench are both movably sleeved with auxiliary workbenches; when the work is prepared, the auxiliary worktable is pulled out from the main worktable, so that the area of the worktable is increased.

In view of the above-mentioned related art, the inventor believes that there is a defect that when the sub-tables at both ends of the main table are moved, the entire table may be inclined to the side where the moving distance of the sub-table is large due to the difference in the moving distance between the two sub-tables, resulting in poor stability of the entire table.

SUMMERY OF THE UTILITY MODEL

In order to increase the stability of whole workstation to a certain extent, this application provides a construction extension roof beam structure.

The application provides a construction extension roof beam structure adopts following technical scheme:

the utility model provides a construction extension roof beam structure, includes the base, the equal fixed mounting in both ends at base top has the support frame, the other end fixedly connected with main workstation of support frame, the both ends of main workstation all slide and have cup jointed vice workstation, two all be provided with the slider on the vice workstation, set up the spout unanimous with the length direction of two-way lead screw on the inside wall of main workstation, slider and spout sliding fit just the inboard wall laminating of slider and spout, the spout internal rotation is provided with two-way lead screw, the length direction of two-way lead screw is unanimous with the slip direction of vice workstation, two the slider is threaded respectively and is worn to locate on two-way lead screw opposite two sections screw rods soon, be provided with on the main workstation and be used for driving two-way lead screw pivoted drive assembly.

By adopting the technical scheme, the driving assembly is utilized to drive the bidirectional screw rod to rotate, so that the two sliding blocks are driven to slide close to or away from each other in the sliding chute at the same time, and the two auxiliary working tables are driven to move close to or away from each other at the same time; the sliding distance between the two auxiliary working tables is the same, so that the main working table is not easy to incline to one auxiliary working table side, and the stability of the whole working table is improved to a certain extent.

Preferably, the driving assembly comprises a first bevel gear, a second bevel gear and a rotating handle, the first bevel gear is arranged on the bidirectional screw rod and is coaxially connected with the bidirectional screw rod, the second bevel gear is meshed with the first bevel gear, a rotating shaft is coaxially arranged on the second bevel gear, the rotating shaft is rotatably arranged on the side wall of the main workbench, and one end of the rotating shaft departing from the second bevel gear extends out of the main workbench and is coaxially connected with the rotating handle.

By adopting the technical scheme, the rotating handle is rotated to drive the rotating shaft and the second bevel gear to rotate, so that the first bevel gear is driven to rotate, and the bidirectional screw rod is rotated; the transmission efficiency of the bevel gear is high, so that the rotation process of the bidirectional screw rod is stable.

Preferably, a plurality of supporting beams for supporting the auxiliary workbench are arranged on the bottom wall of the main workbench, and the supporting beams are attached to the bottom wall of the auxiliary workbench.

Through adopting above-mentioned technical scheme, when two vice workstations were close to each other or kept away from each other and slide, because the diapire of supporting beam and vice workstation is laminated mutually, so the supporting beam can support vice workstation all the time, has the effect that further increases the stability of whole workstation.

Preferably, the supporting beam is covered with polytetrafluoroethylene on the surface abutting against the secondary workbench.

Through adopting above-mentioned technical scheme, because the coefficient of friction on polytetrafluoroethylene layer is extremely low, when taking place relative slip between vice workstation and the supporting beam, can alleviate the gliding smooth and easy nature of vice workstation and the gliding nature of supporting beam to a certain extent and alleviate wearing and tearing between vice workstation and the supporting beam.

Preferably, one end of the rotating shaft, which extends out of the main workbench, is coaxially connected with a transmission gear, a transmission case is arranged on the main workbench, the transmission gear is rotatably arranged in the transmission case, the rotating handle is arranged on the outer side of the transmission case and is coaxially connected with the transmission gear, a clamping rod is vertically arranged on the top wall of the transmission case, one end of the clamping rod is provided with a clamping part, the clamping part of the clamping rod is clamped with a tooth groove on the transmission gear after penetrating through the top wall of the transmission case, one end of the clamping rod, which deviates from the transmission gear, is provided with a push-pull handle, a spring is arranged on the top wall of the transmission case, the spring is sleeved on the clamping rod, one end of the spring is fixedly connected to the top wall of the transmission.

By adopting the technical scheme, the spring always tends to move the clamping rod to the transmission gear side, and after the auxiliary workbench slides to the set position, the clamping rod is clamped into the tooth groove of the transmission gear under the action force of the spring; the transmission gear can be well prevented from transmitting automatically, so that the bidirectional screw rod can be prevented from rotating automatically, relative sliding is not easy to occur between the auxiliary workbench and the main workbench, and the safety of workers operating on the auxiliary workbench is improved.

Preferably, a hook is hinged to the top wall of the push-pull handle, a hanging ring is arranged on the top wall of the transmission case, and when the hook is hung on the hanging ring, the clamping rod is separated from the tooth groove of the transmission gear.

Through adopting above-mentioned technical scheme, articulate the couple on the push-and-pull handle on the link, the kelly breaks away from with the tooth's socket of drive gear mutually, and drive gear just can rotate this moment, and the setting of link couple has the drive gear pivoted effect of being convenient for.

Preferably, the side wall of the main workbench is provided with a rolling bearing, and the rotating shaft penetrates through the rolling bearing and is in interference fit with an inner ring of the rolling bearing.

Through adopting above-mentioned technical scheme, when the pivot rotated, the pivot rotated with antifriction bearing's inner circle synchronous revolution, can increase pivot pivoted stability to a certain extent.

Preferably, the side walls of the two auxiliary workbenches are provided with scale marks.

Through adopting above-mentioned technical scheme, when taking place relative slip between vice workstation and the main workstation, the workman just can adjust the gliding distance of vice workstation through observing the scale mark, has the advantage of the vice workstation sliding distance of the workman's control of being convenient for.

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

the driving assembly is utilized to drive the bidirectional screw rod to rotate, so that the two sliding blocks are driven to slide close to or away from each other in the sliding chute at the same time, and the two auxiliary working tables are driven to move close to or away from each other at the same time; the sliding distances of the two auxiliary worktables are the same, so that the main worktable is not easy to incline to one auxiliary worktable side, and the stability of the whole worktable is improved to a certain extent;

the supporting beam can always support the auxiliary workbench, and the effect of further improving the stability of the whole workbench is achieved;

after the auxiliary workbench slides to a set position, the clamping rod is clamped into the tooth groove of the transmission gear under the action of the spring; the transmission gear can be well prevented from transmitting automatically, so that the bidirectional screw rod can be prevented from rotating automatically, relative sliding is not easy to occur between the auxiliary workbench and the main workbench, and the safety of workers operating on the auxiliary workbench is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a partial cross-sectional view of the present application showing a drive assembly.

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

Fig. 4 is an exploded and partially sectional view for showing a positional relationship of the catch lever and the transmission gear.

Fig. 5 is an enlarged view of a portion B in fig. 4.

Description of reference numerals: 1. a base; 2. a support frame; 3. a main work table; 31. a bidirectional screw rod; 32. a chute; 33. a support beam; 331. polytetrafluoroethylene; 34. a rolling bearing; 4. a sub-table; 41. a slider; 42. scale lines; 5. a drive assembly; 51. a first bevel gear; 52. a second bevel gear; 53. rotating the handle; 54. a rotating shaft; 6. a transmission case; 61. a transmission gear; 62. a clamping rod; 621. a clamping part; 622. a push-pull handle; 6221. hooking; 63. a spring; 64. hanging a ring; 7. a pulley.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses building construction extension roof beam structure. Referring to fig. 1 and 2, the building construction extension beam frame comprises a base 1, wherein the cross section of the base 1 is rectangular, and the top wall of the base 1 is parallel to a horizontal plane; four pulleys 7 are arranged on the bottom wall of the base 1, and the pulleys 7 are self-locking universal wheels, so that workers can move the base 1 conveniently; the main workbench 3 is horizontally arranged above the base 1, four cylindrical supporting beams 33 are vertically arranged on the top wall of the base 1, one end of each supporting beam 33 is connected with the top surface of the base 1, the other end of each supporting beam 33 is connected with the bottom wall of the main workbench 3, and the supporting beams 33 are used for supporting the main workbench 3; a cavity is formed in the main workbench 3, and auxiliary workbenches 4 are arranged at two ends of the main workbench 3 and are positioned in the cavity in a sliding mode; the section of the main workbench 3 is rectangular, and the sliding direction of the auxiliary workbench 4 is consistent with the length direction of the main workbench 3; a chute 32 is arranged on the inner side wall of the cavity of the main workbench 3, and the length direction of the chute 32 is consistent with the sliding direction of the auxiliary workbench 4; a bidirectional screw rod 31 is arranged in the chute 32, the length direction of the bidirectional screw rod 31 is consistent with that of the chute 32, and two ends of the bidirectional screw rod 31 are respectively and rotatably arranged on the inner side wall of the chute 32; the two auxiliary worktables 4 are respectively provided with a sliding block 41, the sliding blocks 41 are in sliding fit with the sliding chutes 32, the sliding blocks 41 are attached to the inner side walls of the sliding chutes 32, the two sliding blocks 41 are respectively provided with a threaded hole, and the two sliding blocks 41 are respectively sleeved on two sections of screw rods with opposite spiral directions on the two-way screw rod 31 in a threaded manner through the threaded holes; the main workbench 3 is provided with a driving assembly 5, and the driving assembly 5 is used for driving the bidirectional screw rod 31 to rotate.

Referring to fig. 2 and 3, the driving assembly 5 includes a first bevel gear 51, a second bevel gear 52 and a rotating handle 53, a smooth section is arranged between two screw rods with opposite thread turning directions on the bidirectional screw rod 31, and the first bevel gear 51 is arranged on the smooth section of the bidirectional screw rod 31 and is coaxially connected with the bidirectional screw rod 31; the second bevel gear 52 is meshed with the first bevel gear 51, a rotating shaft 54 is coaxially arranged on the second bevel gear 52, the rotating shaft 54 is rotatably arranged on the side wall of the main workbench 3, the rotating shaft 54 extends out of the main workbench 3 and is coaxially connected with a rotating handle 53, and the rotating handle 53 is Z-shaped, so that a worker can conveniently rotate the rotating handle 53; the side wall of the main workbench 3 is provided with a rolling bearing 34, the rotating shaft 54 passes through the rolling bearing 34 and is in interference fit with an inner ring of the rolling bearing 34, and the rolling bearing 34 enables the rotating process of the rotating shaft 54 to be more stable.

Firstly, rotating a rotating handle 53 to drive a rotating shaft 54 to rotate, wherein the second bevel gear 52 synchronously rotates along with the rotating shaft 54 to further drive the first bevel gear 51 and the bidirectional screw rod 31 to rotate, and at the moment, the two sliding blocks 41 are close to each other or far away from each other, so that the two auxiliary worktables 4 synchronously slide along with the sliding blocks 41; the sliding distance of the two auxiliary workbenches 4 is the same, the main workbench 3 is not easy to incline towards one auxiliary workbench 4, and the stability of the whole workbench is increased to a certain extent.

Referring to fig. 3 and 4, a transmission case 6 with a hollow interior is arranged on the outer side wall of the main workbench 3, a transmission gear 61 is rotatably arranged in the transmission case 6, the transmission gear 61 is coaxially connected with the rotating shaft 54, the rotating shaft 54 is connected with the rotating handle 53 after penetrating through the transmission gear 61, and the rotating handle 53 extends out of the transmission case 6 after penetrating through the transmission case 6; referring to fig. 5, a clamping rod 62 is vertically arranged on the top wall of the transmission case 6, and the clamping rod 62 passes through the top wall of the transmission case 6 and then is clamped with one of the tooth grooves of the transmission gear 61; a clamping part 621 is arranged at one end, clamped with the tooth socket of the transmission gear 61, of the clamping rod 62, and the section of the clamping part 621 is trapezoidal, so that the clamping matching between the clamping rod 62 and the tooth socket is more stable; a push-pull handle 622 is arranged at one end of the clamping rod 62, which is far away from the transmission gear 61, a spring 63 is arranged on the top wall of the transmission case 6, one end of the spring 63 is connected with the top wall of the transmission case 6, and the other end of the spring 63 is connected with the bottom wall of the push-pull handle 622; the top wall of the push-pull handle 622 is hinged with a hook 6221, the top wall of the transmission case 6 is provided with a hanging ring 64, when the hook 6221 is hung on the hanging ring 64, the clamping rod 62 is separated from the tooth socket of the transmission gear 61, and at the moment, the transmission gear 61 can rotate.

The rotating handle 53 is rotated to drive the transmission gear 61 to rotate, and the transmission gear 61 drives the rotating shaft 54 and the second bevel gear 52 to rotate; after the sub table 4 is moved to the predetermined position, the hook 6221 on the push-pull handle 622 is removed from the hanging ring 64, and the spring 63 always tends to move the catch lever 62 toward the transmission gear 61, so that the catch portion 621 of the catch lever 62 is caught in the tooth socket of the transmission gear 61 under the action of the spring 63; at this time, the rotating handle 53 is not easy to rotate, and the relative sliding between the auxiliary workbench 4 and the main workbench 3 is well prevented; when the position of the auxiliary worktable 4 needs to be adjusted, the hook 6221 is hung on the hanging ring 64, and the position of the auxiliary worktable 4 can be adjusted by rotating the rotating handle 53.

Referring to fig. 4, two support beams 33 are fixedly arranged on the bottom wall of the main worktable 3, the two support beams 33 are symmetrically arranged on two sides of the main worktable 3, and one end of each support beam 33 is attached to the bottom wall of the auxiliary worktable 4 to support the auxiliary worktable 4; since the polytetrafluoroethylene 331 is coated on the surface of the support beam 33 that is in contact with the sub-table 4, the smoothness of the relative sliding between the sub-table 4 and the support beam 33 can be increased because the polytetrafluoroethylene 331 has a very low friction coefficient. The side wall of the auxiliary workbench 4 is provided with scale lines 42, which can facilitate the worker to control the sliding distance of the auxiliary workbench 4.

The implementation principle of the building construction extension beam frame is as follows: when the position of the auxiliary worktable 4 needs to be adjusted, the driving component 5 is utilized to drive the bidirectional screw rod 31 to rotate, so as to drive the two auxiliary worktables 4 to synchronously approach to or depart from each other; after the position of the auxiliary workbench 4 is adjusted, the two-way screw rod 31 can be limited to rotate by clamping the clamping rod 62 with the tooth socket of the transmission gear 61, so that the stability of the auxiliary workbench 4 can be improved; when the position of the auxiliary worktable 4 needs to be adjusted again, the hook 6221 is hung on the hanging ring 64 to drive the clamping rod 62 to move to the tooth space separated from the transmission gear 61, and then the driving component 5 can be reused to drive the bidirectional screw rod 31 to rotate so as to drive the auxiliary worktable 4 to move.

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 construction extension roof beam structure, includes base (1), the equal fixed mounting in both ends at base (1) top has support frame (2), the other end fixedly connected with main workstation (3) of support frame (2), the equal slip in both ends of main workstation (3) has cup jointed vice workstation (4), its characterized in that: two all be provided with slider (41) on vice workstation (4), set up on the inside wall of main workstation (3) with the unanimous spout (32) of length direction of two-way lead screw (31), slider (41) just with spout (32) sliding fit slider (41) and the interior lateral wall of spout (32) laminate mutually, the spout (32) internal rotation is provided with two-way lead screw (31), the length direction of two-way lead screw (31) is unanimous with the slip direction of vice workstation (4), two slider (41) are threaded respectively and are worn to locate on two-way lead screw (31) revolve to opposite two sections screw rods, be provided with on main workstation (3) and be used for driving two-way lead screw (31) pivoted drive assembly (5).

2. A construction extension beam as claimed in claim 1, wherein: the driving assembly (5) comprises a first bevel gear (51), a second bevel gear (52) and a rotating handle (53), the first bevel gear (51) is arranged on the bidirectional screw rod (31) and is coaxially connected with the bidirectional screw rod (31), the second bevel gear (52) is meshed with the first bevel gear (51), a rotating shaft (54) is coaxially arranged on the second bevel gear (52), the rotating shaft (54) is rotatably arranged on the side wall of the main workbench (3), and one end, deviating from the second bevel gear (52), of the rotating shaft (54) extends out of the main workbench (3) and is coaxially connected with the rotating handle (53).

3. A construction extension beam as claimed in claim 1, wherein: be provided with a plurality of supporting beam (33) that are used for supporting vice workstation (4) on the diapire of main workstation (3), it is a plurality of supporting beam (33) all laminates mutually with the diapire of vice workstation (4).

4. A construction extension beam as claimed in claim 3, wherein: and polytetrafluoroethylene (331) is coated on the surface of the supporting beam (33) abutted against the auxiliary workbench (4).

5. A construction extension beam as claimed in claim 2, wherein: one end of the rotating shaft (54) extending out of the main workbench (3) is coaxially connected with a transmission gear (61), a transmission box (6) is arranged on the main workbench (3), the transmission gear (61) is rotatably arranged in the transmission box (6), a rotating handle (53) is arranged on the outer side of the transmission box (6) and is coaxially connected with the transmission gear (61), a clamping rod (62) is vertically arranged on the top wall of the transmission box (6), a clamping part (621) is arranged at one end of the clamping rod (62), the clamping part (621) of the clamping rod (62) penetrates through the top wall of the transmission box (6) and then is clamped with a tooth groove on the transmission gear (61), a push-pull handle (622) is arranged at one end of the clamping rod (62) departing from the transmission gear (61), a spring (63) is arranged on the top wall of the transmission box (6), and the spring (63) is sleeved on the clamping rod (62), one end of the spring (63) is fixedly connected to the top wall of the transmission case (6), and the other end of the spring is connected with the push-pull handle (622).

6. The construction extension beam as claimed in claim 5, wherein: the top wall of the push-pull handle (622) is hinged with a hook (6221), the top wall of the transmission box (6) is provided with a hanging ring (64), and when the hook (6221) is hung on the hanging ring (64), the clamping rod (62) is separated from the tooth groove of the transmission gear (61).

7. A construction extension beam as claimed in claim 2, wherein: the side wall of the main workbench (3) is provided with a rolling bearing (34), and the rotating shaft (54) penetrates through the rolling bearing (34) and is in interference fit with an inner ring of the rolling bearing (34).

8. A construction extension beam as claimed in claim 1, wherein: and the side walls of the two auxiliary workbenches (4) are provided with scale marks (42).