CN218994682U

CN218994682U - Transmission line iron tower impact test device

Info

Publication number: CN218994682U
Application number: CN202222064060.2U
Authority: CN
Inventors: 韩永波
Original assignee: Qingdao Wuxiao Pipe Manufacturing Co ltd
Current assignee: Qingdao Wuxiao Pipe Manufacturing Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-05-09
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses an impact resistance test device for a power transmission tower, and belongs to the technical field of power transmission tower production. The shock resistance test device for the transmission line iron tower comprises a base and a hammer head, wherein a hammer handle is fixedly arranged on the hammer head, an upper clamping block is arranged on the base in a sliding manner, an air cylinder is fixedly arranged on the upper clamping block, and a lower clamping block matched with the upper clamping block is fixedly arranged at the output end of the air cylinder; the screw rod is rotatably arranged on the base, a first threaded hole matched with the screw rod is formed in the upper clamping block, an intermittent gear I is fixedly arranged at the output end of the motor, and the intermittent gear I is rotatably connected with the screw rod through a transmission assembly; one end of the first rotating shaft, which is far away from the hammer handle, is fixedly connected with a second gear, and the second gear is meshed with the first intermittent gear; according to the utility model, the air cylinder is arranged on the upper clamping block, the lower clamping block is driven by the air cylinder, so that the test piece can be automatically and reliably fixed, and the intermittent gear drive is adopted, so that the test piece can be simultaneously moved by a corresponding distance when the hammer head is automatically lifted.

Description

Transmission line iron tower impact test device

Technical Field

The utility model relates to the technical field of production of power transmission towers, in particular to a power transmission tower impact resistance test device.

Background

The tower-shaped structure for electric transmission line iron tower is characterized by that all the tower-shaped structures are made up by using several steel plates, and the bar members are mainly formed from single equilateral angle steel or combined angle steel, and the material is generally made up by using two kinds of Q235 (A3F) and Q345 (16 Mn), and the bar members are connected by adopting crude bolts, and the bolts are shear-connected, and the whole tower is formed from angle steel, connecting steel plate and bolts, and the individual components, such as tower foot, etc. are welded into a combined piece by using several steel plates, so that it is convenient for hot galvanizing anticorrosion, transportation and construction erection, and when the iron tower is produced, it is necessary to implement impact resistance test on the tower material.

But current transmission line iron tower impact test device does not carry out effectual fixing to the test piece is when receiving the impact, and the condition of position deviation can appear in the test piece, has reduced tower material impact test's data accuracy, and simultaneously according to test requirement, free whereabouts behind hammer handle and the base plane are perpendicular to the parallel striking test piece 5 points in 4 mm's interval, current test device need the manual work to lift up the hammer of beating, then removes corresponding distance with the test piece, and the comparatively waste time influences test efficiency.

Disclosure of Invention

The utility model aims to solve the problems that a test piece is not reliably fixed and a test piece is required to be manually controlled to move and lift a percussion hammer in the prior art during test, and provides an impact resistance test device for a power transmission line iron tower.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a transmission line iron tower shock resistance test device, includes base and tup, fixed mounting has the hammer handle on the tup, the hammer handle rotates to set up on the base, still includes: the upper clamping block is arranged on the base in a sliding manner, an air cylinder is fixedly arranged on the upper clamping block, and a lower clamping block matched with the upper clamping block is fixedly arranged at the output end of the air cylinder; the screw rod is rotatably arranged on the base, a first threaded hole matched with the screw rod is formed in the upper clamping block, a motor is fixedly arranged on the base, an intermittent gear I is fixedly arranged at the output end of the motor, and the intermittent gear I is rotatably connected with the screw rod through a transmission assembly; the rotary shaft I is fixedly arranged on the hammer handle, the rotary shaft I is rotatably arranged on the base, one end, far away from the hammer handle, of the rotary shaft I is fixedly connected with the gear II, and the gear II is meshed with the intermittent gear I.

In order to make the test piece move the distance accurate, preferably, the drive assembly includes gear three, pivot two, band pulley one and band pulley two, pivot two rotate and set up on the base, gear three and band pulley one respectively fixed the setting at the both ends of pivot two, gear three and intermittent type gear one intermesh, band pulley one and band pulley two pass through the hold-in range and rotate and link to each other, band pulley two is fixed to be set up in the one end of lead screw.

In order to enable the clamping blocks to reliably slide, the polishing device preferably further comprises a polish rod fixedly arranged on the base, wherein through holes matched with the polish rod are formed in the upper clamping blocks, guide grooves are formed in the base, and the upper clamping blocks slide in the guide grooves.

In order to improve the test accuracy, preferably, the base is provided with a level gauge, and the base is provided with an adjusting component matched with the level gauge.

In order to adapt to different places, further, the adjusting component comprises an adjusting seat, supporting legs and a screw rod, wherein the adjusting seat is fixedly arranged at the bottom of the base, one end of the screw rod is in threaded connection with the adjusting seat, and the supporting legs are fixedly connected with the other end of the screw rod.

In order to reliably place the hammer head, preferably, the base is fixedly provided with a vertical plate, one end of the hammer head is attached to the vertical plate, the vertical plate is connected with a threaded handle in a threaded manner, and a threaded hole II matched with the threaded handle is formed in the hammer head.

Compared with the prior art, the utility model provides the impact resistance test device for the transmission line iron tower, which has the following beneficial effects:

1. according to the shock resistance test device for the transmission line iron tower, the air cylinder is arranged on the upper clamping block, the lower clamping block is driven by the air cylinder, so that a test piece can be automatically and reliably fixed, and the accuracy of the shock resistance test data of the tower material is improved;

2. according to the impact resistance test device for the transmission line iron tower, intermittent gear transmission is adopted at the output end of the motor, so that when the hammer head is automatically lifted, the test piece can be moved for a corresponding distance, and the test efficiency can be improved;

3. this transmission line iron tower shock resistance test device through being provided with the screw handle at the riser, can fix the tup on the riser after experimental, can prevent in transportation or handling, tup and hammer handle damage, influences test accuracy.

The device is characterized in that the upper clamping block is provided with a cylinder, the cylinder drives the lower clamping block, a test piece can be automatically and reliably fixed, and the intermittent gear is used for driving, so that the test piece can be moved by a corresponding distance when the hammer head is automatically lifted.

Drawings

Fig. 1 is a front view of an impact test device for a transmission line tower, provided by the utility model;

fig. 2 is an enlarged view of a portion a in fig. 1 of an impact test device for a power transmission tower according to the present utility model;

fig. 3 is a top view of an impact test device for a power transmission line iron tower, provided by the utility model;

FIG. 4 is an enlarged view of part B of FIG. 3 of an impact test device for a power transmission tower according to the present utility model;

fig. 5 is a schematic structural diagram of a clamp splice of the impact test device for the transmission line iron tower.

In the figure: 1. a base; 101. a riser; 102. a level gauge; 103. a guide groove; 2. a motor; 201. intermittent gear one; 3. a hammer head; 301. a hammer handle; 302. a threaded hole II; 4. a first rotating shaft; 401. a second gear; 5. a third gear; 501. a second rotating shaft; 502. a belt wheel I; 6. a screw rod; 601. a belt wheel II; 602. a polish rod; 7. an upper clamping block; 701. a lower clamping block; 702. a first threaded hole; 703. a through hole; 8. a cylinder; 9. an adjusting seat; 901. a support leg; 902. a screw; 10. a threaded handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, an impact test device for a power transmission line iron tower comprises a base 1 and a hammer head 3, wherein a hammer handle 301 is fixedly installed on the hammer head 3, the hammer handle 301 is made of oak, and the hammer handle 301 is rotatably arranged on the base 1, and the impact test device further comprises: the upper clamping block 7 is arranged on the base 1 in a sliding manner, wherein an air cylinder 8 is fixedly arranged on the upper clamping block 7, a lower clamping block 701 matched with the upper clamping block 7 is fixedly arranged at the output end of the air cylinder 8, a test piece is placed on the lower clamping block 701, and the test piece can be fixed between the upper clamping block 7 and the lower clamping block 701 through the air cylinder 8; the screw rod 6 arranged on the base 1 is rotated, wherein a threaded hole I702 matched with the screw rod 6 is formed in the upper clamping block 7, when the screw rod 6 rotates, the upper clamping block 7 can move on the screw rod 6 by a corresponding distance through the threaded hole I702, the motor 2 is fixedly arranged on the base 1, an intermittent gear I201 is fixedly arranged at the output end of the motor 2, the intermittent gear I201 is an incomplete tooth, and the intermittent gear I201 is rotationally connected with the screw rod 6 through a transmission assembly; the first rotating shaft 4 is fixedly arranged on the hammer handle 301, the first rotating shaft 4 is rotatably arranged on the base 1, one end, far away from the hammer handle 301, of the first rotating shaft 4 is fixedly connected with the second gear 401, the second gear 401 is meshed with the first intermittent gear 201, when the second gear 401 and the first intermittent gear 201 are meshed with each other to the out-of-mesh area, the hammer handle 301 just rises to be perpendicular to the base 1 from the lowest position, and when the second gear 401 and the first intermittent gear 201 are in the non-mesh area, the hammer head 3 freely falls down to hit a test piece under the action of gravity to finish impact on the test piece once.

The test piece can be automatically and reliably fixed by arranging the air cylinder 8 on the upper clamping block 7 and driving the lower clamping block 701 by the air cylinder 8, the hammer head 3 can be automatically lifted from the lowest point to the highest point by adopting the intermittent gear I201 for transmission, and the test piece simultaneously and automatically moves four millimeters.

The transmission assembly comprises a gear III 5, a rotating shaft II 501, a belt wheel I502 and a belt wheel II 601, the rotating shaft II 501 is rotationally arranged on the base 1, the gear III 5 and the belt wheel I502 are respectively and fixedly arranged at two ends of the rotating shaft II 501, the gear III 5 is meshed with the intermittent gear I201, the belt wheel I502 and the belt wheel II 601 are rotationally connected through a synchronous belt, the belt wheel II 601 is fixedly arranged at one end of a screw rod 6, when the intermittent gear I201 and the gear III 5 are in a meshing zone, the gear III 5 can drive the coaxial belt wheel I502 to rotate, the belt wheel I502 drives the belt wheel II 601 to rotate through the synchronous belt, and the belt wheel II 601 is fixed at one end of the screw rod 6, so that the screw rod 6 can also rotate along with the rotation, the screw rod 6 needs to be parallel to hit five points of a test piece at intervals of four millimeters according to test requirements, and the transmission ratio and the screw pitch of the screw rod 6 can be calculated, so that the test piece 201 starts to mesh with the gear III 5 to the meshing zone of the screw rod 6 and the test piece just moves four millimeters.

The test piece polishing device further comprises a polish rod 602 fixedly arranged on the base 1, wherein a through hole 703 matched with the polish rod 602 is formed in the upper clamping block 7, the upper clamping block 7 can keep a stable direction during sliding through the polish rod 602, the impacted surface of the test piece is kept unchanged horizontally, the base 1 is provided with a guide groove 103, and the upper clamping block 7 slides in the guide groove 103.

The base 1 is provided with a level meter 102, and the base 1 is provided with an adjusting component matched with the level meter 102. The adjusting component comprises an adjusting seat 9, a supporting foot 901 and a screw rod 902, wherein the adjusting seat 9 is fixedly arranged at the bottom of the base 1, one end of the screw rod 902 is in threaded connection with the adjusting seat 9, the supporting foot 901 is fixedly connected with the other end of the screw rod 902, the base 1 is placed on a workbench, whether the large plane of the base 1 is horizontal or not can be determined by observing the level meter 102, if the large plane is uneven, the level meter 102 can be referred to, and the distance between the supporting foot 901 and the adjusting seat 9 can be adjusted by screwing the supporting foot 901.

The base 1 is fixedly provided with the riser 101, and tup 3 one end is laminated mutually with riser 101, and threaded connection has screw handle 10 on the riser 101, has offered on the tup 3 with screw handle 10 matched with screw hole two 302, after the test is accomplished, operating personnel lifts up hammer handle 301, makes tup 3 and riser 101 laminate mutually, then twists and moves screw handle 10, fixes tup 3 on riser 101, can prevent in transportation or handling, tup 3 and hammer handle 301 damage.

In the utility model, when in use, an operator moves the device into a production workshop or takes a test piece into a laboratory, places the device on a workbench, and determines whether the large plane of the base 1 is in a horizontal state by observing the level meter 102 on the base 1, if the large plane is not flat, the level meter 102 can be referred to, the distance between the support legs 901 and the adjusting seat 9 can be adjusted by screwing the support legs 901, the large plane of the base 1 is in the horizontal state, the test piece is placed at the proper position of the lower clamping block 701 according to test requirements, the test piece can be fixed between the upper clamping block 7 and the lower clamping block 701 by starting the cylinder 8 to shrink, after the test piece is fixed, the connection between the threaded handle 10 and the hammer head 3 is released, and the hammer head 3 is under the action of gravity, the first time of striking to the test piece is accomplished by free falling, then start motor 2, drive intermittent gear one 201 rotation, when gear two 401 and intermittent gear one 201 begin to mesh to roll out the mesh zone, hammer handle 301 just rises to mutually perpendicular with base 1 from the lowest, in this process, intermittent gear one 201 also can begin to mesh to roll out the mesh zone with gear three 5 simultaneously, and the test piece just moves four millimeters, when gear two 401 and gear three 5 are in the non-mesh zone of intermittent gear one 201, the test piece keeps motionless after moving, and tup 3 under the action of gravity, free falling strikes the test piece, repeat many times, can accomplish this test, then turn off motor 2, lift hammer handle 301 and fix tup 3 on riser 101 through twisting threaded handle 10.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a transmission line iron tower shock resistance test device, includes base (1) and tup (3), fixed mounting has hammer handle (301) on tup (3), hammer handle (301) rotate and set up on base (1), its characterized in that still includes:

an upper clamping block (7) arranged on the base (1) in a sliding way,

the upper clamping block (7) is fixedly provided with an air cylinder (8), and the output end of the air cylinder (8) is fixedly provided with a lower clamping block (701) matched with the upper clamping block (7);

a screw rod (6) arranged on the base (1) is rotated,

the upper clamping block (7) is provided with a first threaded hole (702) matched with the screw rod (6), the base (1) is fixedly provided with a motor (2), the output end of the motor (2) is fixedly provided with a first intermittent gear (201), and the first intermittent gear (201) is rotationally connected with the screw rod (6) through a transmission assembly;

a first rotating shaft (4) fixedly arranged on the hammer handle (301),

the rotary shaft I (4) is rotatably arranged on the base (1), one end, far away from the hammer handle (301), of the rotary shaft I (4) is fixedly connected with a gear II (401), and the gear II (401) is meshed with the intermittent gear I (201).

2. The shock resistance test device for the transmission line iron tower according to claim 1, wherein the transmission assembly comprises a gear III (5), a rotating shaft II (501), a belt wheel I (502) and a belt wheel II (601), the rotating shaft II (501) is rotatably arranged on the base (1), the gear III (5) and the belt wheel I (502) are fixedly arranged at two ends of the rotating shaft II (501) respectively, the gear III (5) is meshed with the intermittent gear I (201), the belt wheel I (502) and the belt wheel II (601) are rotatably connected through a synchronous belt, and the belt wheel II (601) is fixedly arranged at one end of the screw rod (6).

3. The power transmission tower impact test device according to claim 1, further comprising

A polish rod (602) fixedly arranged on the base (1),

the upper clamping block (7) is provided with a through hole (703) matched with the polish rod (602), the base (1) is provided with a guide groove (103), and the upper clamping block (7) slides in the guide groove (103).

4. The power transmission line iron tower impact test device according to claim 1, wherein a level meter (102) is arranged on the base (1), and an adjusting component matched with the level meter (102) is arranged on the base (1).

5. The shock resistance test device for the power transmission line iron tower according to claim 4, wherein the adjusting assembly comprises an adjusting seat (9), supporting legs (901) and a screw rod (902), the adjusting seat (9) is fixedly arranged at the bottom of the base (1), one end of the screw rod (902) is in threaded connection with the adjusting seat (9), and the supporting legs (901) are fixedly connected to the other end of the screw rod (902).

6. The shock resistance test device for the power transmission line iron tower according to claim 1, wherein a vertical plate (101) is fixedly arranged on the base (1), one end of the hammer head (3) is attached to the vertical plate (101), a threaded handle (10) is connected to the vertical plate (101) in a threaded mode, and a threaded hole II (302) matched with the threaded handle (10) is formed in the hammer head (3).