CN213658476U

CN213658476U - Timber bending strength check out test set

Info

Publication number: CN213658476U
Application number: CN202023146599.XU
Authority: CN
Inventors: 杨森; 张厚庆; 田雨卉; 张森林
Original assignee: Northeast Forestry University
Current assignee: Northeast Forestry University
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-07-09
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a wood bending strength detection device, which comprises a base, wherein a screw thread rotating rod is arranged in the inner cavity of the base, symmetrically arranged screw threads with opposite screw thread directions are arranged on the screw thread rotating rod, the screw thread rotating rod is in threaded connection with symmetrically arranged screw thread sleeves, the top of the screw thread sleeves is fixedly connected with a connecting plate, the position of the top of a footstock, which corresponds to the connecting plate, is provided with a limiting through groove, the top of the connecting plate is fixedly connected with a movable plate, the top of the movable plate is fixedly connected with a support piece, one side of the limiting through groove is provided with a first slide rail, the first slide rail is in sliding connection with a movable table, the top of the movable table is fixedly connected with a support frame, a hydraulic cylinder is arranged on the support frame, the bottom of the hydraulic cylinder is connected with, is convenient to operate and is beneficial to the use of equipment.

Description

Timber bending strength check out test set

Technical Field

The utility model relates to a timber bending strength check out test set belongs to timber bending strength and detects technical field.

Background

The wood strength detection is a destructive testing method, changes load is applied by adopting a mechanical method, a pressure fracture destruction test is carried out on the detected wood, the bending strength before the wood fracture is measured, the wood with different strength grades can be preferably selected, the wood is used for wood structural building design and structural wood manufacture, the suitability is achieved, the excellent use is achieved, and the existing wood bending strength detection equipment has the following problems: 1. the structure is complex, the production cost is high, the operation is inconvenient, and the maintenance and the detection are not facilitated; 2. the wood with different lengths cannot be detected, so that the detection data has inaccuracy; 3. the different positions of the wood cannot be detected, which is not beneficial to the accuracy of the detection data.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides a timber bending strength check out test set to solve the problem in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a timber bending strength check out test set, includes the base, the base inner chamber is equipped with the screw thread bull stick, be equipped with the screw thread opposite direction's that the symmetry set up screw thread on the screw thread bull stick, screw thread bull stick threaded connection has the thread bush that the symmetry set up, thread bush top fixedly connected with connecting plate, the footstock top is equipped with spacing logical groove with the position that the connecting plate corresponds, just connecting plate top fixedly connected with movable plate, movable plate top fixedly connected with support piece, spacing logical groove one side is equipped with first slide rail, first slide rail sliding connection has the mobile station, mobile station top fixedly connected with support frame, install the pneumatic cylinder on the support frame, the pneumatic cylinder bottom is connected with the casting die, just support piece's top is located to the.

Furthermore, the positions of four corners of the bottom of the base are fixedly connected with supporting legs, and anti-skid pads are arranged at the bottoms of the supporting legs.

Furthermore, screw thread bull stick one end is passed through the bearing and is rotated and connect the base, and the other end runs through base fixedly connected with commentaries on classics piece.

Furthermore, second slide rails are arranged on two sides of the limiting through groove, the second slide rails are arranged at the top of the base, and the second slide rails are connected with the moving plate in a sliding mode.

Furthermore, a positioning bolt is arranged on the mobile station and movably connected with the base.

The utility model has the advantages that: 1. the utility model has simple integral structure, low production cost, convenient operation, convenient maintenance and detection and is beneficial to the use of equipment;

2. by arranging the structures such as the threaded rotating rod, the threaded sleeve, the connecting plate, the movable plate and the support piece, the threaded rod is rotated to enable the threaded sleeve to drive the connecting plate to move, and the movable plate and the support piece are further far away from and close to each other, so that the wood with different lengths can be detected;

3. through setting up first slide rail and mobile station for the mobile station moves on first slide rail, thereby changes the position of support frame and pneumatic cylinder, thereby detects ligneous different positions, is favorable to the use of equipment.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a front view of a wood bending strength detecting apparatus of the present invention;

fig. 2 is a top view of the wood bending strength detecting apparatus of the present invention;

fig. 3 is a schematic view of the internal structure of the base of the wood bending strength detecting apparatus of the present invention;

fig. 4 is a side view of the wood bending strength detecting apparatus of the present invention.

Reference numbers in the figures: 1. a base; 2. a threaded rotating rod; 3. a threaded sleeve; 4. a connecting plate; 5. a limiting through groove; 6. moving the plate; 7. a support member; 8. a first slide rail; 9. a mobile station; 10. a support frame; 11. a hydraulic cylinder; 12. pressing parts; 13. supporting legs; 14. rotating the block; 15. a second slide rail; 16. and (6) positioning the bolt.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-4, a device for detecting bending strength of wood comprises a base 1, a threaded rotating rod 2 is arranged in an inner cavity of the base 1, the thread rotating rod 2 is provided with symmetrically arranged threads with opposite thread directions, the thread rotating rod 2 is connected with symmetrically arranged thread sleeves 3 in a threaded manner, the top of the threaded sleeve 3 is fixedly connected with a connecting plate 4, a position of the top of the footstock corresponding to the connecting plate 4 is provided with a limit through groove 5, and the top of the connecting plate 4 is fixedly connected with a moving plate 6, the top of the moving plate 6 is fixedly connected with a support piece 7, a first slide rail 8 is arranged on one side of the limiting through groove 5, the first slide rail 8 is connected with a mobile station 9 in a sliding way, the top of the mobile station 9 is fixedly connected with a support frame 10, a hydraulic cylinder 11 is arranged on the support frame 10, the bottom of the hydraulic cylinder 11 is connected with a pressing piece 12, and the pressing piece 12 is arranged above the supporting piece 7.

Specifically, as shown in fig. 1, supporting legs 13 are fixedly connected to four corners of the bottom of the base 1, and anti-slip pads are arranged at the bottoms of the supporting legs 13.

Specifically, as shown in fig. 2, second slide rails 15 are arranged on two sides of the limiting through groove 5, the second slide rails 15 are arranged on the top of the base 1, and the second slide rails 15 are slidably connected with the moving plate 6.

Specifically, as shown in fig. 3, one end of the threaded rotating rod 2 is rotatably connected to the base 1 through a bearing, and the other end of the threaded rotating rod penetrates through the base 1 and is fixedly connected to a rotating block 14.

Specifically, as shown in fig. 4, a positioning bolt 16 is disposed on the mobile station 9, and the positioning bolt 16 is movably connected to the base 1.

The utility model discloses the theory of operation: when the device is used, the rotating block 14 rotates the threaded rotating rod 2, the threaded sleeve 3 drives the connecting plate 4 to move, the moving plate 6 drives the supporting piece 7 to move, the supporting piece 7 is made to be suitable for the length of wood, the wood is placed on the supporting piece 7, the moving table 9 is moved, the pressing piece 12 is made to be located above the measured position, the moving table 9 is fixed through the positioning bolt 16, the hydraulic cylinder 11 is started, the pressing piece 12 moves downwards to apply force to the wood, and therefore the bending strength of the wood is measured.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The wood bending strength detection equipment comprises a base (1) and is characterized in that a threaded rotating rod (2) is arranged in an inner cavity of the base (1), threads which are symmetrically arranged and have opposite thread directions are arranged on the threaded rotating rod (2), the threaded rotating rod (2) is in threaded connection with threaded sleeves (3) which are symmetrically arranged, a connecting plate (4) is fixedly connected to the top of each threaded sleeve (3), a limiting through groove (5) is arranged at a position, corresponding to the connecting plate (4), of the top of the base, a movable plate (6) is fixedly connected to the top of the connecting plate (4), a support piece (7) is fixedly connected to the top of the movable plate (6), a first sliding rail (8) is arranged on one side of each limiting through groove (5), a movable table (9) is slidably connected to the first sliding rail (8), and a support frame (10) is fixedly connected to, the hydraulic cylinder (11) is installed on the support frame (10), a pressing piece (12) is connected to the bottom of the hydraulic cylinder (11), and the pressing piece (12) is arranged above the support piece (7).

2. The wood bending strength detecting apparatus according to claim 1, wherein: the supporting legs (13) are fixedly connected to the positions of four corners of the bottom of the base (1), and anti-skid pads are arranged at the bottoms of the supporting legs (13).

3. The wood bending strength detecting apparatus according to claim 1, wherein: one end of the threaded rotating rod (2) is rotatably connected with the base (1) through a bearing, and the other end of the threaded rotating rod penetrates through the base (1) and is fixedly connected with a rotating block (14).

4. The wood bending strength detecting apparatus according to claim 1, wherein: and second sliding rails (15) are arranged on two sides of the limiting through groove (5), the second sliding rails (15) are arranged at the top of the base (1), and the second sliding rails (15) are connected with the moving plate (6) in a sliding manner.

5. The wood bending strength detecting apparatus according to claim 1, wherein: and a positioning bolt (16) is arranged on the mobile station (9), and the positioning bolt (16) is movably connected with the base (1).