CN216284616U

CN216284616U - Standard force value loading device of working dynamometer

Info

Publication number: CN216284616U
Application number: CN202122706490.5U
Authority: CN
Inventors: 童利兵; 严春声; 房厦
Original assignee: Zhejiang Lanjian Detection Technology Co ltd
Current assignee: Zhejiang Lanjian Detection Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-12
Anticipated expiration: 2031-11-04

Abstract

The utility model belongs to the technical field of a loading device of a dynamometer, and provides a loading device of a standard force value of a working dynamometer, which comprises the following components: the device comprises a bearing plate, wherein a bearing steel sleeve is arranged at the top of the bearing plate, a guide steel sleeve is arranged at the top of the bearing steel sleeve, a damping device is arranged on the guide steel sleeve, the top of the damping device is connected with a guide rod, one side of the bearing plate is connected with a settlement tester for detecting the deformation of the bearing plate, a drop hammer is sleeved on the guide rod, a unhooking device is fixedly sleeved on the guide rod above the drop hammer, and the unhooking device is hooked with the drop hammer; its characterized in that, including gravity block frame, gravity block frame sets up to round platform type structure, and the suit moves on the guide bar, and the inside multilayer gravity block storehouse of separating from bottom to top of gravity block frame has placed the gravity piece inside the gravity block storehouse, and one side of gravity piece sets up to the opening form, one side in gravity block storehouse sets up to the opening form, outside one side rotation of gravity block frame is connected with a set of stop gear.

Description

Standard force value loading device of working dynamometer

Technical Field

The utility model belongs to the technical field of a loading device of a dynamometer, and particularly relates to a standard force value loading device of a working dynamometer.

Background

The dynamic deformation modulus EVD tester is a special measuring instrument for detecting the dynamic characteristics of a railway roadbed soil body, namely a dynamic deformation modulus EVD index, and consists of a loading device, a settlement tester and a bearing plate, wherein the loading device comprises a drop hammer, a unhooking device, a guide rod, a damping device, a guide steel sleeve and the like.

Wherein, loading device is when using, and the weight size of falling the hammer has crucial influence to the measuring result, when detecting the standard force value to the not equidimension, need use the falling hammer of not equidimension, generally when carrying out pressure replacement, all be through the falling hammer of directly changing different weight, the falling hammer suit is on the guide bar, and is located unhooking device's below, and it is inconvenient to change, and operates comparatively complicacy, to this need carry out certain degree's improvement to the falling hammer for solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims to provide a standard force value loading device of a working dynamometer, and aims to solve the problems.

The utility model is realized in this way, the standard force value loading device of the working dynamometer includes: the device comprises a bearing plate, wherein a bearing steel sleeve is arranged at the top of the bearing plate, a guide steel sleeve is arranged at the top of the bearing steel sleeve, a damping device is arranged on the guide steel sleeve, the top of the damping device is connected with a guide rod, one side of the bearing plate is connected with a settlement tester for detecting the deformation of the bearing plate, a drop hammer is sleeved on the guide rod, a unhooking device is sleeved on the guide rod above the drop hammer, and the unhooking device is hooked with the drop hammer; the unhooking device comprises a gravity block frame, the gravity block frame is arranged to be of a round platform type structure, is sleeved on a guide rod and moves, and has high stability, multiple layers of gravity block bins are partitioned from bottom to top in the gravity block frame, gravity blocks are placed in the gravity block bins, one sides of the gravity blocks are arranged to be open, so that the gravity blocks can be conveniently and stably placed on the guide rod in a sleeved mode when being placed in the gravity block bins, one sides of the gravity block bins are arranged to be open and used for the gravity blocks to enter and exit, and one sides of the outer portions of the gravity block frame are rotatably connected with a group of limiting mechanisms for keeping the gravity blocks placed in the gravity block bins stable; through adopting the form adjustment weight of falling the hammer of placing the gravity piece in to gravity piece frame, be convenient for adjust as required at any time, and the operation is convenient, and stability is high.

Preferably, stop gear includes the lantern ring of suit on the guide bar of the upper and lower end of gravity piece frame, one side of the lantern ring is connected with the rotating turret of a set of U type structure jointly, the vertical section of rotating turret rotates to the opening part in every group gravity piece storehouse and is connected with horizontal adjusting screw, the rotating handle is installed to the one end that adjusting screw kept away from gravity piece storehouse, through rotating the horizontal position of handle control adjusting screw, adjusting screw's other end fixed mounting has the ejector pad of arc structure, through the horizontal position of adjustment ejector pad, thereby fix the gravity piece of placing in gravity piece storehouse inside.

Preferably, drop hammer top one side and be connected with down the couple, it has seted up the rotation groove to correspond to the unhook device of couple down on, it is connected with a set of axis of rotation to rotate inslot portion rotation, the cover is equipped with clockwork spring in the axis of rotation, and the upper and lower side of axis of rotation is connected with push rod and upper hook respectively, the upper hook articulates with couple down, the upper hook all sets up to linear structure with couple down simultaneously, the two level articulates, the separation of being convenient for, under clockwork spring's effect through promoting the push rod, the upper hook and the couple alternate segregation down of bottom to realize the unhook device and the unhook of dropping the hammer.

Preferably, the guide bar sets up to the segmentation structure, is pegged graft by the multistage spliced pole and constitutes, and the both ends of spliced pole are provided with bolt and slot respectively, through pegging graft adjacent two sections spliced poles through bolt and slot to install the guide bar use of co-altitude as required.

According to the standard force value loading device for the working dynamometer, the drop hammer is arranged to be of a layered structure consisting of the gravity block bins, so that damping devices with different weights can be conveniently added and detached according to needs, the use gravity of the drop hammer can be adjusted, the device is favorable for being quickly suitable for pressure tests of different types, and is convenient and fast to replace, simple to operate and high in working efficiency.

Drawings

Fig. 1 is a schematic view of a standard force value loading device of a working force measuring instrument.

Fig. 2 is a schematic structural diagram of a drop hammer in a standard force value loading device of a working load cell.

Fig. 3 is a schematic structural view of a guide bar in the standard force value loading device of the working load cell.

FIG. 4 is a schematic structural view of a gravity block in the standard force value loading device of the working force measuring instrument;

in the drawings: the device comprises a bearing plate 10, a force bearing steel sleeve 11, a guide steel sleeve 12, a damping device 13, a settlement tester 14, a guide rod 15, a drop hammer 16, a unhooking device 17, an upper hook 18, a rotating groove 19, a push rod 20, a bolt 21, a slot 22, a gravity block 23, a gravity block rack 24, a lantern ring 25, a rotating rack 26, a gravity block bin 27, an adjusting screw 28, a push block 29 and a rotating handle 30.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1 and 4, a structure diagram of a standard force value loading device of a working force gauge provided in an embodiment of the present invention includes: the device comprises a bearing plate 10, wherein a force bearing steel sleeve 11 is arranged at the top of the bearing plate 10, a guide steel sleeve 12 is arranged at the top of the force bearing steel sleeve 11, a damping device 13 is arranged on the guide steel sleeve 12, the top of the damping device 13 is connected with a guide rod 15, one side of the bearing plate 10 is connected with a settlement tester 14 for detecting the deformation of the bearing plate 10, a drop hammer 16 is sleeved on the guide rod 15, a unhooking device 17 is fixedly sleeved on the guide rod 15 above the drop hammer 16, and the unhooking device 17 is hooked with the drop hammer 16; the unhooking device 17 comprises a gravity block frame 24, the gravity block frame 24 is arranged to be of a round table structure, the gravity block frame 24 is sleeved on the guide rod 15 to move and has high stability, multiple layers of gravity block bins 27 are partitioned from bottom to top in the gravity block frame 24, gravity blocks 23 are placed in the gravity block bins 27, one sides of the gravity blocks 23 are arranged to be open, when the gravity blocks are placed in the gravity block bins 27, the gravity blocks can be sleeved on the guide rod 15 to be stably placed, one sides of the gravity block bins 27 are arranged to be open and used for the gravity blocks 23 to enter and exit, and one side of the outer portion of the gravity block frame 24 is rotatably connected with a group of limiting mechanisms for keeping the gravity blocks 23 placed in the gravity block bins 27 stable; the weight of the drop hammer 16 is adjusted by adopting the form of placing the gravity block 23 in the gravity block frame 24, so that the drop hammer is convenient to adjust at any time according to needs, convenient to operate and high in stability;

referring to fig. 2, the limiting mechanism comprises a lantern ring 25 sleeved on a guide rod 15 at the upper end and the lower end of a gravity block frame 24, one side of the lantern ring 25 is connected with a group of rotating frames 26 with a U-shaped structure, a vertical section of each rotating frame 26 is connected with a transverse adjusting screw 28 in a rotating mode aiming at an opening of each group of gravity block bins 27, one end, far away from the gravity block bins 27, of each adjusting screw 28 is provided with a rotating handle 30, the transverse position of each adjusting screw 28 is controlled by rotating the rotating handle 30, the other end of each adjusting screw 28 is fixedly provided with a push block 29 with an arc-shaped structure, and the gravity block 23 arranged in each gravity block bin 27 is fixed by adjusting the transverse position of each push block 29;

one side of the top of the drop hammer 16 is connected with a lower hook, a rotating groove 19 is formed in a unhooking device 17 corresponding to the lower hook, a group of rotating shafts are rotatably connected in the rotating groove 19, a clockwork spring is sleeved on each rotating shaft, the upper side and the lower side of each rotating shaft are respectively connected with a push rod 20 and an upper hook 18, the upper hooks 18 are hooked with the lower hooks, the upper hooks 18 and the lower hooks are both in a linear structure and are horizontally hooked, so that the upper hooks and the lower hooks are convenient to separate, and the upper hooks 18 and the lower hooks at the bottom are separated from each other under the action of the clockwork spring by pushing the push rod 20, so that the unhooking of the unhooking device 17 and the drop hammer 16 is realized;

referring to fig. 3, the guide rod 15 is a segment structure and is formed by inserting a plurality of connecting columns, the two ends of each connecting column are respectively provided with a plug 21 and a slot 22, and the adjacent two connecting columns are inserted into the slots 22 through the plugs 21, so that the guide rods 15 with different heights can be installed as required.

When the device is used, the rotating frame 26 rotates around the gravity block frame 24, then the gravity block 23 with proper weight is placed in the gravity block bin 27 in the gravity block frame 24 according to the gravity to be detected, the rotating frame 26 rotates to the opening of the gravity block bin 27, the rotating handle 30 is rotated to drive the push block 29 at the end of the adjusting screw 28 to fix the gravity block 23 in the gravity block bin 27, and then the push rod 20 is pushed to drive the upper hook 18 at the bottom to be separated from the lower hook, so that gravity impact detection on the lower side is realized.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The standard force value loading device of the working dynamometer comprises: the bearing board, the bearing board top is provided with the load steel bushing, and the direction steel bushing is installed at load steel bushing top, is provided with damping device on the direction steel bushing, and the damping device top is connected with the guide bar, one side of bearing board is connected with the settlement apparatus that is used for detecting the bearing board deflection, and the cover is equipped with the hammer that falls on the guide bar, and fixed cover is equipped with unhooking device on the guide bar of hammer top that falls, and unhooking device articulates with the hammer that falls, its characterized in that, unhooking device is including gravity block frame, and gravity block frame sets up to round platform type structure, and the suit moves on the guide bar, and gravity block frame is inside to have separated from bottom to top has multilayer gravity block storehouse, and gravity block has been placed to gravity block storehouse inside, and one side of gravity block sets up to the opening form, one side of gravity block storehouse sets up to the opening form, outside one side of gravity block frame is rotated and is connected with a set of stop gear.

2. The standard force value loading device of the working dynamometer according to claim 1, wherein the limiting mechanism comprises a sleeve ring sleeved on a guide rod at the upper end and the lower end of the gravity block frame, one side of the sleeve ring is commonly connected with a group of rotating frames with a U-shaped structure, a transverse adjusting screw rod is rotatably connected to a vertical section of each rotating frame corresponding to an opening of each group of gravity block bins, a rotating handle is installed at one end of each adjusting screw rod, which is far away from the gravity block bins, and a pushing block with an arc-shaped structure is fixedly installed at the other end of each adjusting screw rod.

3. The device for loading the standard force value of a working force measuring instrument according to claim 1, wherein a lower hook is connected to one side of the top of the drop hammer, a rotating groove is formed in the unhooking device corresponding to the lower hook, a set of rotating shafts are rotatably connected to the inside of the rotating groove, a spring is sleeved on each rotating shaft, push rods and upper hooks are respectively connected to the upper side and the lower side of each rotating shaft, and each upper hook is hooked with the lower hook.

4. The device for loading a standard force value of a working force gauge according to claim 3, wherein the upper hook and the lower hook are both arranged in a linear structure, and are horizontally hooked.

5. The device for loading the standard force value of a working force measuring instrument according to claim 1, wherein the guide rod is provided in a sectional structure and is formed by splicing a plurality of sections of connecting columns, and the two ends of each connecting column are respectively provided with a plug pin and a slot.