CN216051094U

CN216051094U - Novel clamp of tensile testing machine

Info

Publication number: CN216051094U
Application number: CN202122163413.XU
Authority: CN
Inventors: 苏巍
Original assignee: Wuhan Huahaina Technology Co ltd
Current assignee: Wuhan Huahaina Technology Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-03-15
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a novel clamp of a tensile testing machine, relates to the technical field of tensile testing machine clamps, and aims to solve the problems that the adjusting efficiency is low and the strength of workers is required due to the fact that two clamping blocks of the existing clamp for the tensile testing machine adjust positions through the rotation of a screw rod. The utility model discloses a support structure, including anchor clamps, mount pad, clamping piece, drive gear, drive motor, driving motor, drive gear, drive motor's output extends to the inside of support shell to with drive gear fixed connection, first spout and second spout have been seted up to the inside shifting chute of having seted up of mount pad, the support shell is installed to the rear of mount pad, support the inside intermediate position department of shell and install drive gear, two the upper end of clamping piece all is provided with the slider, two first rack and second rack are installed respectively to the rear of slider, drive gear is located between first rack and the second rack to with first rack and second rack meshing, drive motor is installed at the rear of support shell, and drive motor's output extends to the inside of support shell.

Description

Novel clamp of tensile testing machine

Technical Field

The utility model relates to the technical field of tensile testing machine clamps, in particular to a novel clamp for a tensile testing machine.

Background

The tensile tester is used for the tensile strength of the sample to be tested. The clamp is one of the indispensable parts on the tensile testing machine. In a tensile test, the sample is usually stretched by clamping the two ends of the material sample between two clamps spaced apart from each other at a predetermined distance, and separating the two clamps at a predetermined speed, and the change in stress on the sample is measured until the sample breaks.

However, the positions of the two clamping blocks of the clamp for the existing tensile testing machine are adjusted through the rotation of the screw, so that the adjusting efficiency is low, and the requirement on the strength of workers is met, and therefore the existing requirement is not met, and the novel clamp for the tensile testing machine is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel clamp for a tensile testing machine, which aims to solve the problems that the position of two clamping blocks of the existing clamp for the tensile testing machine is adjusted through the rotation of a screw rod in the background technology, so that the adjusting efficiency is low, and the strength of workers is required.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel clamp of a tensile testing machine comprises a mounting seat and two clamping blocks, wherein the two clamping blocks are symmetrical along the vertical center line of the mounting seat, a moving groove is formed in the mounting seat, a first sliding groove and a second sliding groove are formed in the rear end of the moving groove, the second sliding groove is positioned below one side of the first sliding groove, a supporting shell is installed behind the mounting seat, a driving gear is installed in the middle of the interior of the supporting shell, sliding blocks are arranged at the upper ends of the two clamping blocks, extend to the interior of the moving groove and are in fit connection with the moving groove, a first rack and a second rack are respectively installed behind the two sliding blocks, the second rack is positioned below one side of the first rack, the first rack and the second rack are both arranged in the supporting shell, the driving gear is positioned between the first rack and the second rack, and is connected with the meshing of first rack and second rack, driving motor is installed to the rear of supporting shell, and driving motor's output extends to the inside of supporting shell to with drive gear fixed connection.

Preferably, two the adjacent one end of clamp splice all is provided with the non-skid protrusions, and the non-skid protrusions is provided with a plurality of.

Preferably, the inside of two clamp splice upper ends all is provided with the fixed orifices, two install the loop bar between the fixed orifices, the both ends of loop bar all are provided with the screw thread section, and screw thread section and fixed orifices pass through threaded connection, the one end of loop bar is provided with changes the handle.

Preferably, a connecting block is arranged between each of the two sliding blocks and the first rack or the second rack, and each of the two connecting blocks passes through the first sliding groove or the second sliding groove and is slidably connected with the first sliding groove or the second sliding groove.

Preferably, the top end of the moving groove is provided with a receiving groove, the upper end of the sliding block is provided with a limiting block, the limiting block extends into the receiving groove and is in sliding connection with the receiving groove, the top end of the mounting seat is provided with a top plate, and the top of the top plate is provided with a mounting shaft.

Preferably, a first penetrating groove and a second penetrating groove are formed in two ends of the supporting shell respectively, the first penetrating groove corresponds to the first rack, and the second penetrating groove corresponds to the second rack.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the connection between the clamping block and the mounting seat is realized through the sliding connection between the sliding block and the moving groove and the sliding connection between the limiting block and the bearing groove, the connection between the first rack and the second rack and the sliding block is realized through the two connecting blocks respectively, the first rack and the second rack are both meshed with the driving gear, the driving gear is fixed with the output end of the driving motor, the driving gear is driven to rotate by the driving motor, the rotating motion of the driving gear is converted into the linear motion of the first rack and the second rack in different directions through the meshing action, so that the movement of the clamping block is realized, the distance between the two clamping blocks can be quickly adjusted, and compared with the position adjustment through the rotation of the screw rod, the adjusting efficiency is higher, no requirement is provided for the strength of workers, and the use is more convenient.

2. The fixing holes are formed in the upper ends of the two clamping blocks, the loop bar is arranged between the two fixing holes, the loop bar is convenient to fix the ring belt and perform tensile test, meanwhile, the loop bar is in threaded connection with the fixing holes of the clamping blocks through the thread sections at the two ends of the loop bar, the connection mode is simple, the fixation is reliable, and the loop bar is convenient to disassemble, so that the flexibility of the clamp is improved, and the clamp has different fixing modes.

Drawings

FIG. 1 is a schematic structural view of a novel clamp of a tensile testing machine according to the present invention;

FIG. 2 is a rear view of the novel fixture of the tensile testing machine of the present invention;

FIG. 3 is a view showing the connection relationship between the first and second racks and the clamping block according to the present invention;

fig. 4 is a schematic structural diagram of the mounting seat of the present invention.

In the figure: 1. a mounting seat; 11. a moving groove; 12. a receiving groove; 13. a first chute; 14. a second chute; 15. a support housing; 16. a first through groove; 17. a second through groove; 18. a top plate; 2. a clamping block; 21. anti-skid projections; 22. a fixing hole; 23. a slider; 24. a limiting block; 3. a first rack; 4. a second rack; 5. a drive gear; 6. a loop bar; 61. a threaded segment; 62. turning a handle; 7. connecting blocks; 8. a drive motor; 9. and (4) installing a shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an embodiment of the present invention is shown: a novel clamp of a tensile testing machine comprises an installation seat 1 and two clamping blocks 2, wherein the two clamping blocks 2 are arranged symmetrically along the vertical center line of the installation seat 1, a moving groove 11 is formed in the installation seat 1, a first sliding groove 13 and a second sliding groove 14 are formed in the rear end of the moving groove 11, the second sliding groove 14 is located below one side of the first sliding groove 13, a supporting shell 15 is arranged behind the installation seat 1, the supporting shell 15 is connected with the installation seat 1 in a welding mode, a driving gear 5 is arranged in the middle of the inside of the supporting shell 15, sliding blocks 23 are arranged at the upper ends of the two clamping blocks 2, the sliding blocks 23 and the clamping blocks 2 are of an integral structure and good in integrity, the sliding blocks 23 extend into the moving groove 11 and are connected with the moving groove 11 in a matching mode, the matching degree is good, the sliding blocks 23 can be more stable when moving, a first rack 3 and a second rack 4 are respectively arranged behind the two sliding blocks 23, and second rack 4 is located the below of 3 one sides of first rack, first rack 3 and second rack 4 all set up in supporting shell 15, drive gear 5 is located between first rack 3 and the second rack 4, and be connected with first rack 3 and the meshing of second rack 4, transmission efficiency is good, and transmission efficiency is high, support the rear of shell 15 and install driving motor 8, driving motor 8 passes through the screw connection with supporting shell 15, and driving motor 8's output extends to the inside of supporting shell 15, and with drive gear 5 fixed connection, driving motor 8's output drives drive gear 5 rotatory, driving motor 8's output and supporting shell 15 pass through the bearing and rotate and be connected.

Further, the adjacent one end of two clamp splice 2 all is provided with antiskid ribbed tile 21, and antiskid ribbed tile 21 is provided with a plurality of, and antiskid ribbed tile 21 and clamp splice 2 structure as an organic whole play good antiskid effect through antiskid ribbed tile 21.

Further, the inside of two clamp splice 2 upper ends all is provided with fixed orifices 22, install loop bar 6 between two fixed orifices 22, the both ends of loop bar 6 all are provided with screw thread section 61, screw thread section 61 and loop bar 6 structure as an organic whole, and screw thread section 61 passes through threaded connection with fixed orifices 22, the connected mode is simple, the operation of being convenient for, connect reliably, make things convenient for the dismouting, the one end of loop bar 6 is provided with changes 62, change 62 and loop bar 6 welded connection, change 62 and set up to the hexagon structure, through changeing 62 convenient rotatory loop bar 6, realize the installation and the dismantlement of loop bar 6.

Further, be provided with a connecting block 7 between two sliders 23 and first rack 3 or the second rack 4 respectively, connecting block 7 and first rack 3, second rack 4 and slider 23 welded connection, the wholeness is good, and structural strength is high, and first spout 13 or second spout 14 are passed respectively to two connecting blocks 7 to with

first spout

13 or 14 sliding connection of second spout, carry on spacingly to slider 23, guarantee the stability that slider 23 removed.

Further, the top of moving slot 11 has been seted up and has been accepted groove 12, the upper end of slider 23 is provided with stopper 24, stopper 24 and slider 23 structure as an organic whole, and stopper 24 extends to the inside of accepting groove 12, and with accepting groove 12 sliding connection, the degree of cooperation is good, be convenient for stopper 24's removal, the top of mount pad 1 is provided with roof 18, the top of roof 18 is provided with installation axle 9, roof 18 and mount pad 1 structure as an organic whole, installation axle 9 and roof 18 structure as an organic whole, integrated into one piece, the wholeness is good.

Further, a first penetrating groove 16 and a second penetrating groove 17 are respectively formed in two ends of the supporting shell 15, the first penetrating groove 16 corresponds to the first rack 3, and the second penetrating groove 17 corresponds to the second rack 4, so that on one hand, the first rack 3 and the second rack 4 can be conveniently moved, the movement of the first rack 3 and the movement of the second rack 4 cannot be hindered, and on the other hand, the use materials of the supporting shell 15 can be reduced.

The working principle is as follows: during the use, two anchor clamps are whole fixed with tensile testing machine through installation axle 9. Two ends of the object to be measured are respectively placed between the two clamping blocks 2 of the two clamps. Subsequently, the driving motor 8 is started, the output end of the driving motor drives the driving gear 5 to rotate forwards, the first rack 3 and the second rack 4 are respectively meshed with the upper end and the lower end of the driving gear 5, transmission can be achieved, the rotary motion of the driving gear 5 is converted into linear motion of the first rack 3 and the second rack 4 in different directions, the two sliders 23 respectively move along with the connecting blocks 7 fixed to the first rack 3 and the second rack 4, the connecting blocks 7 drive one ends of the sliders 23, the sliders 23 drive the clamping blocks 2 to move, therefore, the distance between the two clamping blocks 2 can be rapidly adjusted, the tested object is rapidly clamped to be tested to be subjected to tension testing, the adjusting efficiency is higher, no requirement is met on the strength of workers, and the use is more convenient. Through a plurality of non-slip raised 21 that clamp splice 2 one end set up, multiplicable and the frictional force of testee contact play anti-skidding effect, improve fixed fastness and stability. When the annular material needs to be detected, one end of the loop bar 6 can firstly penetrate through the fixing hole 22 of one clamping block 2, then the annular is sleeved outside the loop bar 6, and finally one end of the loop bar 6 penetrates through the fixing hole 22 of the other clamping block 2, so that the annular can be fixed. The loop bar 6 is in threaded connection with the fixing holes 22 of the clamping blocks 2 through the threaded sections 61 at the two ends of the loop bar, the connection mode is simple, the self-locking capacity is achieved, the fixation is reliable, meanwhile, the loop bar 6 is convenient to disassemble, the use flexibility of the clamp is increased, and the clamp has different fixing modes.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel anchor clamps of tensile testing machine, includes mount pad (1) and clamp splice (2), its characterized in that: the two clamping blocks (2) are arranged and are symmetrical along the vertical center line of the mounting seat (1), a moving groove (11) is formed in the mounting seat (1), a first sliding groove (13) and a second sliding groove (14) are formed in the rear end of the moving groove (11), the second sliding groove (14) is located below one side of the first sliding groove (13), a supporting shell (15) is installed behind the mounting seat (1), a driving gear (5) is installed in the middle of the inside of the supporting shell (15), sliding blocks (23) are arranged at the upper ends of the two clamping blocks (2), the sliding blocks (23) extend to the inside of the moving groove (11) and are connected with the moving groove (11) in a matching mode, a first rack (3) and a second rack (4) are installed behind the two sliding blocks (23) respectively, and the second rack (4) is located below one side of the first rack (3), first rack (3) and second rack (4) all set up in supporting shell (15), drive gear (5) are located between first rack (3) and second rack (4) to with first rack (3) and second rack (4) meshing, driving motor (8) are installed to the rear of supporting shell (15), and the output of driving motor (8) extends to the inside of supporting shell (15), and with drive gear (5) fixed connection.

2. The novel clamp of the tensile testing machine according to claim 1, characterized in that: two the adjacent one end of clamp splice (2) all is provided with skid resistant protrusion (21), and skid resistant protrusion (21) are provided with a plurality of.

3. The novel clamp of the tensile testing machine according to claim 1, characterized in that: two inside of clamp splice (2) upper end all is provided with fixed orifices (22), two install loop bar (6) between fixed orifices (22), the both ends of loop bar (6) all are provided with screw thread section (61), and screw thread section (61) and fixed orifices (22) pass through threaded connection, the one end of loop bar (6) is provided with changes handle (62).

4. The novel clamp of the tensile testing machine according to claim 1, characterized in that: two connecting blocks (7) are respectively arranged between the sliding blocks (23) and the first rack (3) or the second rack (4), and the two connecting blocks (7) respectively penetrate through the first sliding groove (13) or the second sliding groove (14) and are in sliding connection with the first sliding groove (13) or the second sliding groove (14).

5. The novel clamp of the tensile testing machine according to claim 1, characterized in that: the top of moving groove (11) has seted up and has accepted groove (12), the upper end of slider (23) is provided with stopper (24), and stopper (24) extend to the inside of accepting groove (12) to with accept groove (12) sliding connection, the top of mount pad (1) is provided with roof (18), the top of roof (18) is provided with installation axle (9).

6. The novel clamp of the tensile testing machine according to claim 1, characterized in that: and a first penetrating groove (16) and a second penetrating groove (17) are respectively formed in two ends of the supporting shell (15), the first penetrating groove (16) corresponds to the first rack (3), and the second penetrating groove (17) corresponds to the second rack (4).