CN213541912U

CN213541912U - Telescopic support column with high bearing capacity

Info

Publication number: CN213541912U
Application number: CN202022401946.2U
Authority: CN
Inventors: 贾群磊
Original assignee: Tianjin Goode Technology Co ltd
Current assignee: Tianjin Goode Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-25
Anticipated expiration: 2030-10-26

Abstract

The utility model provides a telescopic supporting column with high bearing capacity, which comprises a fixed column body, an adjusting column, a supporting plate and a base, the slider, the lead screw, drive mechanism and stop gear, fixed cylinder bottom is provided with the base, fixed cylinder internally mounted has the regulation post, and regulation capital end is provided with the backup pad, and the fixed column bottom is provided with the slider, and the inside bilateral symmetry of fixed cylinder is provided with the lead screw, and the lead screw is vertical setting, and both ends set up threaded hole about the slider, the slider pass through the screw hole and install on the lead screw, and fixed cylinder bottom is provided with stop gear, the stop gear top is provided with drive mechanism, the utility model discloses owing to be provided with stop gear, put the heavy object in the backup pad of adjusting capital portion, branch drives wedge upward movement and goes into the latch with the kelly to outside extrusion motion card, makes the lead screw blocked unable reversal, the effectual bearing.

Description

Telescopic support column with high bearing capacity

Technical Field

The utility model relates to a support column field especially relates to a scalable support column that possesses high bearing.

Background

The support column is a device which is commonly used for fixing and supporting mechanical parts in the field of mechanical equipment, and simultaneously ensures that the mechanical parts have certain height so as to be convenient for workers to operate, the conventional support column generally has the function of telescopic height adjustment so as to adapt to support work with different heights, the conventional telescopic support column generally consists of a base, an adjusting column, a crank, a transmission mechanism and a lead screw, the adjusting column is slidably arranged on the lead screw, the transmission mechanism drives the lead screw to rotate by rotating the crank so as to enable the adjusting column to ascend and descend, thereby adjusting the height of the support column, but the structure has the defect of limited bearing capacity, when the weight borne above the support column is greater than the occluded resistance between the transmission mechanism and the lead screw, the situation that the lead screw rotates to cause the support column to descend can occur, so that the mechanical parts can not be well supported, and, resulting in insufficient supporting force.

Disclosure of Invention

According to the technical problems, the utility model provides a telescopic support column with high bearing capacity, which is characterized by comprising a fixed column body, an adjusting column, a support plate, a base, a slide block, a lead screw, a transmission mechanism and a limiting mechanism, wherein the bottom of the fixed column body is provided with the base, the inside of the fixed column body is of a hollow structure, the adjusting column is vertically arranged inside the fixed column body, the top end of the adjusting column extends out of the outside of the fixed column body and is provided with the support plate, the bottom end of the fixed column is provided with the slide block, the slide block and the adjusting column are of an integral structure, the slide block can be slidably arranged inside the fixed column body, the lead screw is symmetrically arranged in the fixed column body in the left and right directions, the lead screw is vertically arranged, the left and right ends of the slide block are respectively, a transmission mechanism is arranged above the limiting mechanism;

the bottom of the fixed cylinder is provided with a support frame, the limiting mechanism comprises a clamping rod, a clamping tooth, a wedge block, a support rod and a support spring, the wedge block is positioned at the bottom of the support frame, the left side and the right side of the wedge block are inclined planes which incline to the outside from top to bottom respectively, the bottom of the wedge block is connected with the support rod, the support rod penetrates through the bottom of the fixed cylinder, the bottom of the support rod is connected with a base, the support spring is arranged between the base and the fixed cylinder, the number of the support springs is 3, the left side and the right side of the wedge block are respectively and transversely provided with the clamping rod, the clamping rod is respectively and slidably mounted on the support frame, the inner side of the clamping rod is provided with a pulley, the pulley respectively abuts against the inclined planes of the wedge block, a reset spring is sleeved between the support frame, the latch is positioned on the outer side of the clamping rod;

the transmission mechanism comprises a bevel gear A, a bevel gear B, a transmission shaft A, a transmission shaft B, a driving gear and a driven gear, wherein the transmission shaft B is vertically installed above the support frame, the bevel gear B is arranged at the top of the transmission shaft, the transmission shaft A is vertically arranged above the transmission shaft, the bevel gear A is arranged at one end of the transmission shaft A and is meshed with the bevel gear B, the other end of the transmission shaft A extends out of the fixed column body and is provided with a hexagonal block, the driving gear is sleeved at the middle of the transmission shaft B, the driven gear is sleeved on the lead screw and is located on the left side and the right side of the driving gear.

The utility model has the advantages that:

the utility model is provided with a transmission mechanism, a fixed cylinder, an adjusting column and a lead screw, a socket wrench is inserted into a hexagonal block, the socket wrench is shaken to drive the transmission mechanism to move, a transmission shaft A, a bevel gear A and a bevel gear B drive a transmission shaft B to rotate, the transmission shaft B drives two lead screws to rotate through a driving gear and a driven gear, so that a slide block ascends or descends along the inner wall of the fixed cylinder under the transmission of the two lead screws, thereby driving the adjusting column to extend and contract up and down to adapt to the supporting work with different heights, after the adjustment is finished, the utility model is provided with a limit mechanism, a heavy object is placed on a supporting plate at the top of the adjusting column, the heavy object is pressed down to enable the fixed cylinder to move down under the action of a supporting spring so as to compress the supporting spring, and the bottom of a supporting rod is fixed on, thereby branch drives wedge upward movement and extrudees the pulley to the outside through the inclined plane and removes, and the pulley drives the kelly and goes into in the latch to the outside motion card for the lead screw is blocked unable reversal, just so with regard to effectual improvement the bearing capacity of adjusting the post, even very heavy object pressure can not cause the lead screw reversal and adjust the condition that the post moved down in the backup pad yet, has increased the utility model discloses a bearing capacity, when taking down the heavy object, supporting spring resets and makes the wedge remove downwards, thereby the pulley no longer receives the extrusion to move to the inboard under reset spring's effect and makes kelly and latch break away from, at this moment the lead screw can rotate once more and will adjust the post and fall.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a rear view of the present invention;

FIG. 3 is a cross-sectional view of the front view of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a side view of the engagement of the bevel gear a and the bevel gear B of the present invention;

fig. 6 is a top view of the latch and the latch of the present invention.

As shown in the figure: the device comprises a fixed cylinder 1, an adjusting column 2, a base 3, a sliding block 4, a lead screw 5, a support plate 6, a support frame 7, a clamping rod 8, a clamping tooth 9, a wedge block 10, a support rod 11, a support spring 12, a pulley 13, a return spring 14, a bevel gear A15, a bevel gear B16, a transmission shaft A17, a transmission shaft B18, a driving gear 19, a driven gear 20 and a hexagonal block 21.

Detailed Description

Example 1

The utility model provides a telescopic support column with high bearing capacity, which is characterized by comprising a fixed column body 1, an adjusting column 2, a support plate 6, a base 3, a slide block 4, a lead screw 5, a transmission mechanism and a limiting mechanism, wherein the bottom of the fixed column body 1 is provided with the base 3, the inside of the fixed column body 1 is of a hollow structure, the adjusting column 2 is vertically arranged inside the fixed column body 1, the top end of the adjusting column 2 extends out of the fixed column body 1 and is provided with the support plate 6, the bottom end of the fixed column is provided with the slide block 4, the slide block 4 and the adjusting column 2 are of an integrated structure, the slide block 4 can be slidably arranged inside the fixed column body 1, the lead screw 5 is symmetrically arranged in the fixed column body 1 in the left and right directions, the lead screw 5 is vertically arranged, the left and right ends of the, a transmission mechanism is arranged above the limiting mechanism;

the bottom of the fixed cylinder 1 is provided with a support frame 7, the limiting mechanism comprises a clamping rod 8, a clamping tooth 9, a wedge block 10, a support rod 11 and a support spring 12, the wedge block 10 is positioned at the bottom of the support frame 7, the left side and the right side of the wedge block 10 are respectively inclined planes which incline from top to bottom to outside, the bottom of the wedge block 10 is connected with the support rod 11, the support rod 11 penetrates through the bottom of the fixed cylinder 1, the support rod 11 is connected with the bottom of the fixed cylinder 1 in a sliding manner, the bottom end of the support rod 11 is connected with a base 3, the support spring 12 is arranged between the base 3 and the fixed cylinder 1, the number of the support springs 12 is 3, the left side and the right side of the wedge block 10 are respectively provided with the clamping rod 8 in a transverse manner, the clamping rods 8 are respectively arranged on the support frame 7 in a sliding manner, the inner sides of the clamping rods 8, the latch 9 is positioned outside the clamping rod 8;

the transmission mechanism comprises a bevel gear A15, a bevel gear B16, a transmission shaft A17, a transmission shaft B18, a driving gear 19 and a driven gear 20, the transmission shaft B18 is vertically installed above the support frame 7, a bevel gear B16 is arranged at the top of the transmission shaft, a transmission shaft A17 is longitudinally arranged above the transmission shaft, one end of the transmission shaft A17 is provided with the bevel gear A15, the bevel gear A15 is meshed with the bevel gear B16, the other end of the transmission shaft A17 extends out of the fixed column 1 and is provided with a hexagonal block 21, the driving gear 19 is sleeved in the middle of the transmission shaft B18, the driven gear 20 is sleeved on the lead screw 5, the driven gear 20 is located on the.

Example 2

When the utility model is used, the socket of the socket wrench is inserted into the hexagonal block 21, then the socket wrench is shaken, the socket wrench drives the transmission shaft A17 to rotate through the hexagonal block 21, the transmission shaft A17 drives the bevel gear A15 to rotate, the bevel gear A15 drives the bevel gear B16 to rotate, the bevel gear B16 drives the transmission shaft B18 to rotate, the transmission shaft B18 drives the driving gear 19 in the middle to rotate, the driving gear 19 drives the driven gears 20 on both sides to rotate, the driven gears 20 respectively drive the two lead screws 5 to rotate, the lead screws 5 drive the slide block 4 to slide up and down along the inside of the fixed cylinder 1, the slide block 4 drives the adjusting column 2 to extend up and down in the fixed cylinder 1 so as to adjust the height of the supporting plate 6, so as to adapt to the supporting height of the object to be supported, then the object to be supported is prevented from being arranged on the supporting plate 6, because branch 11 bottom is fixed on base 3 and it is in fixed cylinder 1 bottom sliding connection, so branch 11 moves upwards for fixed cylinder 1 for wedge 10 is at the inside rebound of fixed cylinder 1, wedge 10 extrudees pulley 13 through the inclined plane and moves to the outside, pulley 13 drives kelly 8 and also moves to the outside and make latch 9 can not the antiport in the latch 9 of card income lead screw 5 bottom, thereby improve the bearing capacity of adjusting post 2 and make it can not fix cylinder 1 interior downward movement again.

When the object to be supported is taken down, the weight of the supporting plate 6 is reduced, so that the fixed cylinder 1 moves upwards under the driving of the supporting spring 12, the supporting rod 11 moves downwards relative to the fixed cylinder 1 and drives the wedge block 10 to move downwards, the pulley 13 is not extruded any more, the pulley moves inwards under the action of the return spring 14 to separate the clamping rod 8 from the clamping teeth 9, and the screw 5 can rotate again to lower the adjusting cylinder 2.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A telescopic support column with high bearing capacity is characterized by comprising a fixed column body, an adjusting column, a support plate, a base, a sliding block, a lead screw, a transmission mechanism and a limiting mechanism, wherein the base is arranged at the bottom of the fixed column body, the inside of the fixed column body is of a hollow structure, the adjusting column is vertically arranged inside the fixed column body, the top end of the adjusting column extends out of the outside of the fixed column body and is provided with the support plate, the bottom end of the fixed column body is provided with the sliding block, the sliding block can be slidably arranged inside the fixed column body, the lead screws are symmetrically arranged in the fixed column body in the left-right direction and are vertically arranged, the left end and the right end of the sliding block are respectively provided with a threaded hole, the sliding block is respectively arranged on the left;

the bottom of the fixed cylinder is provided with a support frame, the limiting mechanism comprises a clamping rod, a clamping tooth, a wedge-shaped block, a support rod and a support spring, the wedge-shaped block is positioned at the bottom of the support frame, the left side and the right side of the wedge-shaped block are respectively provided with inclined planes which are inclined outwards from top to bottom, the bottom of the wedge-shaped block is connected with a supporting rod, the supporting rod penetrates through the bottom of the fixed cylinder and is connected with the bottom of the fixed cylinder in a sliding way, the bottom end of the supporting rod is connected with the base, a supporting spring is arranged between the base and the fixed cylinder, the left side and the right side of the wedge-shaped block are respectively and transversely provided with a clamping rod which is respectively arranged on the supporting frame in a sliding way, pulleys are arranged on the inner side of the clamping rod and respectively abut against the inclined surface of the wedge-shaped block, a return spring is sleeved between the support frame and the clamping rod, the clamping teeth are respectively sleeved at the bottom end of the lead screw, and the clamping teeth are positioned on the outer side of the clamping rod;

2. The retractable supporting post with high load bearing capability as claimed in claim 1, wherein the sliding block and the adjusting post are an integral structure.

3. The retractable supporting post with high load bearing capability as claimed in claim 1, wherein said number of supporting springs is 3.