CN211396739U

CN211396739U - Support frame for civil construction

Info

Publication number: CN211396739U
Application number: CN201921599589.6U
Authority: CN
Inventors: 陈宇; 王鹏; 吴旭
Original assignee: Chongqing Aerospace Polytechnic College
Current assignee: Chongqing Aerospace Polytechnic College
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-09-01
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a support frame for civil construction, which comprises a telescopic component, a base and a support plate, wherein the telescopic component comprises two telescopic mechanisms, the telescopic mechanisms are arranged on the base, the telescopic mechanisms comprise a worm, a worm wheel, a lifting screw and a shell, the worm is arranged in the shell, the two ends of the worm are respectively connected with a bearing between the shell and extend out of the shell, the lifting screw and the worm are mutually vertical and are vertically arranged in the shell, the worm wheel is sleeved on the lifting screw and is meshed with the worm, the worm wheel is in threaded connection with the lifting screw, one end of the lifting screw is respectively connected with the support plate, round holes are respectively arranged on the base at the positions corresponding to the lifting screw, the other end of the lifting screw can sequentially vertically pass through the shell and the round holes and extend out to the lower part of the base, and the support frame can increase, be convenient for remove, can also prevent that the support frame from suddenly out of control, cause the problem that the heavy object dropped.

Description

Support frame for civil construction

Technical Field

The utility model relates to a construction field, in particular to support frame for civil construction.

Background

In civil construction, the support of heavy objects is very important, and a good support structure can effectively solve the problems of construction progress, construction safety and the like. When supporting the heavy object, often can use the support frame to support the heavy object, when using the support frame to support the heavy object, often can appear the poor problem of support stability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem in the above-mentioned technique, provide a support frame for civil construction, this support frame can increase the support stability, is convenient for remove, can also prevent that the support frame is out of control suddenly, causes the problem that the heavy object dropped.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

a supporting frame for civil construction comprises a telescopic component, a base and a supporting plate, wherein the telescopic component comprises two telescopic mechanisms, the telescopic mechanism is arranged on the base and comprises a worm, a worm wheel, a lifting screw and a shell, the worm is arranged in the shell, two ends of the worm are respectively connected with the bearing between the shell and extend out of the shell, the lifting screw rod and the worm are mutually vertical and are vertically arranged in the shell, the worm wheel is sleeved on the lifting screw rod and meshed with the worm, the worm wheel is in threaded connection with the lifting screw rod, one end of the lifting screw is respectively connected with the supporting plate, round holes are respectively arranged on the base at the positions corresponding to the lifting screw, the other end of the lifting screw rod can sequentially vertically penetrate through the shell and the round hole to extend out of the lower portion of the base, and a transmission shaft is arranged between the worms of the two telescopic mechanisms.

Furthermore, as a preferred technical scheme, a bottom plate is arranged at one end, which penetrates through the base, of the lifting screw rod, and the bottom plate can slide along a round hole in the base.

Further, as a preferred technical scheme, one end of the worm is provided with a driving handle.

Further, as the preferred technical scheme, be provided with spacing subassembly between backup pad and the base, spacing subassembly includes two spinal branch vaulting poles and stopper, two spinal branch vaulting poles cut the fork type through a round pin axle and connect, two free ends in two spinal branch vaulting pole upper portions respectively with backup pad hinged joint, the stopper sets up on the base, and the equipartition is provided with cockscomb structure spacing groove on the stopper, two free ends in two spinal branch vaulting pole lower parts block respectively and establish at the spacing inslot.

Furthermore, as a preferred technical scheme, four grooves are symmetrically formed in two ends of the base, a rotating shaft is horizontally arranged in each groove, and a movable wheel is connected to each rotating shaft through a hinge.

Furthermore, as an optimal technical scheme, a locking block is arranged on the outer side of the groove and is vertically arranged on the end face of the base through a pin shaft, and the locking block can rotate around the pin shaft to be parallel to the base.

The utility model discloses the beneficial effect who has:

the utility model adopts a worm and gear telescoping mechanism as a support main body, which can greatly improve the support stability; the utility model discloses set up between backup pad and base and cut the fork bracing piece, and cut fork bracing piece free end and set up the stopper that has the cockscomb structure spacing groove, when further increasing stability, can also prevent that the support frame from suddenly losing control, cause the heavy object to drop.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a partial cross-sectional view of fig. 1 of the present invention;

fig. 3 is a partial three-dimensional schematic view of the movable wheel of the present invention.

In the figure: 1-base, 2-worm, 3-bottom plate, 4-supporting plate, 5-supporting rod, 6-limiting block, 7-moving wheel, 8-locking block, 9-rotating shaft, 10-round hole, 11-lifting screw, 12-worm wheel, 13-fixing plate, 14-shell, 15-fixing frame and 16-pin shaft.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1 and 2, the support frame for civil construction comprises a telescopic assembly, a base 1 and a support plate 4, wherein the telescopic assembly comprises two telescopic mechanisms, the telescopic mechanisms are arranged on the base 1, the telescopic mechanisms comprise a worm 2, a worm wheel 12, a lifting screw 11 and a shell 14, the worm 2 is arranged in the shell 14, two ends of the worm 2 are respectively connected with the shell 14 through bearings and extend out of the shell 14, the lifting screw 11 is vertical to the worm 2 and is vertically arranged in the shell 14, the worm wheel 12 is sleeved on the lifting screw 11 and is meshed with the worm 2, the worm wheel is in threaded connection with the lifting screw 11, one end of the lifting screw 11 is respectively connected with the support plate 4, the base 1 is provided with a round hole 10 at a position corresponding to the lifting screw 11, and the other end of the lifting screw 11 can sequentially vertically penetrate through the shell 14 and the round hole 10 and extend out of the lower part of the base 1, a transmission shaft is arranged between the two worms 2. The telescopic mechanism drives the support plate 4 to move up and down to realize the support effect of the support plate 4 on the heavy object. In the telescopic machanism, adopt the worm wheel 12 worm 2 structure as the lift main part, can effectual promotion lift stability, two worms 2 use same transmission shaft come simultaneously, can realize the synchronization of going up and down, further increase support stability. The round hole 10 is arranged on the base 1, so that the lifting screw 11 can extend out along the round hole 10, and the lifting stroke is increased. One end of a worm 2 is provided with a driving handle. The driving handle can facilitate the rotation of the worm 2 and can effectively control the lifting process of the telescopic mechanism.

Be provided with spacing subassembly between backup pad 4 and the base 1, spacing subassembly includes two spinal branch vaulting poles 5 and stopper 6, two spinal branch vaulting poles 5 are connected through a round pin axle 16 scissor type, two free ends on 5 upper portions of two spinal branch vaulting poles respectively with backup pad 4 hinged joint, stopper 6 sets up on base 1, and the equipartition is provided with cockscomb structure spacing groove on stopper 6, two free ends in 5 lower parts of two spinal branch vaulting poles block respectively and establish at the spacing inslot. The scissor type connection between the two support rods 5 forms a scissor bracket, and the function of the scissor bracket is to increase the stability between the support plate 4 and the base 1. The limiting groove on the limiting block 6 can gradually limit the position of the free end of the lower part of the scissor bracket when the scissor bracket moves along with the supporting plate 4, so that heavy objects are prevented from being suddenly pressed down when the telescopic mechanism fails. The pin 16 is used for drawing the pin 16 out to pack up the support rod 5 when the support frame needs to be packed up, so that the support rod 5 is prevented from abutting against the limiting block 6, and the support plate 4 can move downwards.

As shown in fig. 3, four grooves are symmetrically formed at two ends of the base 1, a rotating shaft 9 is horizontally arranged in each groove, and a moving wheel 7 is hinged to each rotating shaft 9. The locking block 8 is arranged on the outer side of the groove, the locking block 8 is vertically arranged on the end face of the base 1 through a pin shaft 16, and the locking block 8 can rotate around the pin shaft 16 to be parallel to the base 1. The function of the moving wheel 7 is to drive the supporting frame to move. The moving wheel 7 can rotate on the rotating shaft 9 for 180 degrees, so that the moving wheel 7 moves onto the base 1, and the locking block 8 is used for locking the rotating moving wheel 7.

The lifting screw 11 is provided with a bottom plate 3 at one end penetrating through the base 1, and the bottom plate 3 can slide along the round hole 10 on the base 1. The effect of bottom plate 3 is when the support frame removes the heavy object bottom, and lifting screw 11 descends and can drive bottom plate 3 and pass base 1 to ground, and lifting base 1 leaves ground to removing wheel 7, conveniently removes putting down and packing up of wheel 7, and bottom plate 3 can regard as the ground fulcrum at the support in-process simultaneously, increases the support area and can improve support stability.

During operation, promote the support frame and remove under the heavy object, rotate the drive handle, make the lifting screw downstream order about the bottom plate and remove ground, lift up completely to the base, remove the wheel this moment and leave ground, rotate the locking piece and make and remove the rotatory packing up of wheel, then rotate locking piece locking. Then the driving handle is rotated reversely, so that the lifting screw rod moves upwards to drive the supporting plate to move upwards to support the heavy object.

The present invention is not limited to the above description and drawings, but should be understood as being illustrative and not restrictive, and the technical features can be replaced and modified without creative efforts by those skilled in the art according to the technical content disclosed, all falling within the scope of the present invention.

Claims

1. The utility model provides a support frame for civil construction, includes telescopic component, base (1) and backup pad (4), its characterized in that, telescopic component includes two telescopic machanism, telescopic machanism sets up on base (1), telescopic machanism includes worm (2), worm wheel (12), lifting screw (11) and casing (14), worm (2) set up in casing (14), worm (2) both ends respectively with casing (14) between the bearing be connected stretch out outside casing (14), mutually perpendicular between lifting screw (11) and worm (2), vertical setting in casing (14), worm wheel (12) cover is established on lifting screw (11) and is meshed with worm (2), threaded connection between worm wheel and lifting screw (11), lifting screw (11) one end is connected with backup pad (4) respectively, round hole (10) have been seted up respectively to the position that corresponds with lifting screw (11) on base (1), the other end of the lifting screw rod (11) can sequentially vertically penetrate through the shell (14) and the round hole (10) to extend out of the lower portion of the base (1), and a transmission shaft is arranged between the worms (2) of the two telescopic mechanisms.

2. The supporting frame for civil construction work according to claim 1, characterized in that the lifting screw (11) is provided with a bottom plate (3) at one end passing through the base (1), and the bottom plate (3) can slide along the round hole (10) on the base (1).

3. A bracing frame for civil construction work according to claim 1 or 2, characterised in that one end of the worm (2) is provided with a driving handle.

4. The supporting frame for civil construction according to claim 1, characterized in that a limiting component is arranged between the supporting plate (4) and the base (1), the limiting component comprises two supporting rods (5) and a limiting block (6), the two supporting rods (5) are connected in a scissor-fork type mode through a pin shaft (16), two free ends of the upper portions of the two supporting rods (5) are respectively hinged with the supporting plate (4), the limiting block (6) is arranged on the base (1), a saw-toothed limiting groove is uniformly distributed on the limiting block (6), and two free ends of the lower portions of the two supporting rods (5) are respectively clamped in the limiting groove.

5. The supporting frame for civil construction according to claim 1, characterized in that four grooves are symmetrically arranged at two ends of the base (1), a rotating shaft (9) is horizontally arranged in the grooves, and a moving wheel (7) is hinged on the rotating shaft (9).

6. A support frame for civil construction work according to claim 5 wherein the outside of the groove is provided with a locking block (8), the locking block (8) is vertically arranged on the end surface of the base (1) through a pin (16), and the locking block (8) can rotate around the pin (16) to be parallel to the base (1).