CN219391368U - Adjustable forestry field investigation sample box - Google Patents

Abstract

The utility model discloses an adjustable forestry field investigation sample box which comprises two first support plates and second support plates which are symmetrically arranged, wherein one end of each first support plate is fixedly connected with a sliding rod, a sliding cavity corresponding to each sliding rod is formed in each second support plate, a clamping block is fixedly connected onto each second support plate, a clamping rod is inserted onto each clamping block in a sliding mode, a plurality of clamping grooves corresponding to the clamping rods are formed in each sliding rod, one ends, far away from each first support plate and each second support plate, of each first support plate are respectively connected with a first connecting plate and a second connecting plate in a rotating mode through a rotating shaft, a cavity is formed in each first connecting plate, a screw rod is connected to one end of each cavity in a rotating mode, a first gear is fixedly sleeved on each screw rod, and a second gear meshed with the first gear is arranged in each cavity. According to the utility model, through the arrangement of the adjusting mechanism, the sample block can be freely adjusted according to actual use requirements, so that the application range of the sample block is effectively improved.

Description

Adjustable forestry field investigation sample box

Technical Field

The utility model relates to the technical field of forestry investigation, in particular to an adjustable forestry field investigation sample box.

Background

In the forestry scientific research process, the field investigation often needs to set up a sample prescription so as to quickly obtain data such as shrubs, herb distribution quantity, coverage, height, growth characteristics and the like in a required investigation region, and basic data is accumulated for the research of forest ecosystem biodiversity, biomass and the like, so that the sample prescription becomes one of the most commonly used and indispensable field investigation tools.

However, the existing sample box is simpler in structure, and the sample box cannot be freely adjusted according to actual needs, so that the application range of the sample box is affected.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a sample box is simpler in structure and cannot be freely adjusted according to actual needs, and provides an adjustable forestry field investigation sample box.

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

the utility model provides an open-air investigation appearance square frame of forestry with adjustable, includes two first backup pad and the second backup pad that the symmetry set up, the one end fixedly connected with slide bar of first backup pad, be equipped with the smooth chamber that corresponds with the slide bar in the second backup pad, fixedly connected with fixture block in the second backup pad, it is equipped with the draw-in bar to slide on the fixture block, be equipped with a plurality of draw-in grooves that correspond with the draw-in bar on the slide bar, the one end that first backup pad and second backup pad kept away from mutually all is connected with first connecting plate and second connecting plate through the pivot rotation, be equipped with the cavity in the first connecting plate, the cavity internal rotation is connected with the screw rod, fixedly cup jointed first gear on the screw rod, be equipped with the second gear with first gear engaged with in the cavity, the inner wall of second gear and cavity is through the transfer line rotation connection, the one end of transfer line runs through the inner wall and the fixedly connected with knob of cavity, be equipped with the screw groove that corresponds with the screw rod on the second connecting plate.

Preferably, the clamping sleeve is fixedly sleeved at one end, close to the sliding rod, of the clamping rod, and the pull rod is fixedly connected at one end, far away from the clamping sleeve, of the clamping rod.

Preferably, the clamping rod is sleeved with a spring, and two ends of the spring are fixedly connected with the clamping sleeve and the clamping block respectively.

Preferably, a torsion spring is sleeved on the rotating shaft, and two ends of the torsion spring are fixedly connected with the first supporting plate and the first connecting plate respectively.

Preferably, one end of the screw rod positioned in the thread groove is fixedly connected with a limiting block.

Preferably, one end of the knob is rotatably connected with an arc-shaped inserting rod through a pin shaft, and a plurality of slots corresponding to the arc-shaped inserting rod are formed around the first connecting plate.

The beneficial effects are that:

1. the clamping rod is arranged, so that the sliding rod can be conveniently fixed, meanwhile, the knob is rotated to drive the transmission rod to rotate, and the screw is driven to rotate through the meshing action between the first gear and the second gear, so that the distance between the first connecting plate and the second connecting plate is adjusted;

2. the clamping sleeve is arranged, the clamping rod can be prevented from falling off from the clamping block, the spring can play a certain elastic support for the clamping rod, the limiting block can prevent the screw rod from falling off from the thread groove, and meanwhile, the arc-shaped inserting rod is arranged, so that the knob can be conveniently fixed.

Drawings

FIG. 1 is a schematic diagram of an adjustable forestry field investigation sample block;

FIG. 2 is a schematic diagram of the structure at A in FIG. 1;

fig. 3 is a schematic diagram of the structure at B in fig. 1.

In the figure: 1 a first supporting plate, 2 a second supporting plate, 3 sliding rods, 4 clamping blocks, 5 clamping rods, 6 rotating shafts, 7 first connecting plates, 8 second connecting plates, 9 screws, 10 first gears, 11 second gears, 12 transmission rods, 13 knobs, 14 clamping sleeves, 15 pull rods, 16 springs, 17 limiting blocks, 18 pin shafts and 19 arc-shaped inserting rods.

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.

Referring to fig. 1-3, an adjustable forestry field investigation sample box comprises two first support plates 1 and second support plates 2 which are symmetrically arranged, wherein one end of each first support plate 1 is fixedly connected with a slide rod 3, a slide cavity corresponding to each slide rod 3 is arranged on each second support plate 2 and used for adjusting the distance between each first support plate 1 and each second support plate 2, a clamping block 4 is fixedly connected to each second support plate 2, a clamping rod 5 is inserted into each clamping block 4 in a sliding manner and used for fixing each slide rod 3, a clamping sleeve 14 is fixedly sleeved at one end, close to each slide rod 3, of each clamping rod 5, and a pull rod 15 is fixedly connected to one end, far away from each clamping sleeve 14, of each clamping rod 5 and used for pulling each clamping rod 5;

in the embodiment, a spring 16 is sleeved on the clamping rod 5, two ends of the spring 16 are fixedly connected with the clamping sleeve 14 and the clamping block 4 respectively, a certain elastic support is achieved on the clamping rod 5, a plurality of clamping grooves corresponding to the clamping rod 5 are formed in the sliding rod 3, one ends, far away from each other, of the first supporting plate 1 and the second supporting plate 2 are respectively connected with a first connecting plate 7 and a second connecting plate 8 through rotation of a rotating shaft 6, a torsion spring is sleeved on the rotating shaft 6, and two ends of the torsion spring are fixedly connected with the first supporting plate 1 and the first connecting plate 7 respectively, so that a certain torsion support is achieved on the first supporting plate 1 and the second connecting plate 7;

in the embodiment, a cavity is arranged in the first connecting plate 7, a screw rod 9 is rotationally connected in the cavity, a first gear 10 is fixedly sleeved on the screw rod 9 and used for driving the screw rod 9 to rotate, a second gear 11 meshed with the first gear 10 is arranged in the cavity, the second gear 11 is rotationally connected with the inner wall of the cavity through a transmission rod 12, and one end of the transmission rod 12 penetrates through the inner wall of the cavity and is fixedly connected with a knob 13 and used for driving the rotation rod 12 to rotate;

in this embodiment, one end of the knob 13 is rotatably connected with an arc-shaped inserting rod 19 through a pin shaft 18, the first connecting plate 7 is provided with a plurality of slots corresponding to the arc-shaped inserting rod 19 in a surrounding manner for fixing the knob 13, the second connecting plate 8 is provided with a thread groove corresponding to the screw 9, and one end of the screw 9 located in the thread groove is fixedly connected with a limiting block 17 for preventing the screw 9 from falling off from the thread groove.

In this embodiment, the setting of clamping rod 5 can conveniently fix slide bar 3, rotates knob 13 simultaneously and drives transfer line 12 rotation, through the meshing effect between first gear 10 and the second gear 11, drives screw rod 9 rotation to adjust the distance between first connecting plate 7 and the second connecting plate 8.

In this embodiment, the setting of cutting ferrule 14 can prevent that clamping lever 5 from coming off from fixture block 4, and spring 16 can play certain elastic support to clamping lever 5, and stopper 17 can prevent that screw rod 9 from coming off from the screw thread inslot, and arc inserted bar 19's setting can conveniently fix knob 13 simultaneously.

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 (6)

1. The utility model provides an open-air investigation appearance square frame of forestry with adjustable, includes two first backup pad (1) and second backup pad (2) that the symmetry set up, its characterized in that: the utility model discloses a screw rod, including first backup pad (1), second backup pad (2), first backup pad (2) are equipped with slide bar (3), be equipped with the smooth chamber that corresponds with slide bar (3) on second backup pad (2), fixedly connected with fixture block (4) on second backup pad, sliding insert on fixture block (4) is equipped with clamping lever (5), be equipped with a plurality of draw-in grooves that correspond with clamping lever (5) on slide bar (3), the one end that first backup pad (1) and second backup pad (2) kept away from mutually all rotates through pivot (6) and is connected with first connecting plate (7) and second connecting plate (8), be equipped with the cavity in first connecting plate (7), the cavity internal rotation is connected with screw rod (9), fixedly cup jointed first gear (10) on screw rod (9), be equipped with second gear (11) with first gear (10) engaged with in the cavity, the inner wall of second gear (11) and cavity is rotated through transfer line (12), the inner wall and the fixedly connected with knob (13) of cavity are run through to one end of transfer line (12), be equipped with screw thread (9) corresponding on second connecting plate (8).

2. An adjustable forestry field investigation sample block of claim 1, wherein: one end of the clamping rod (5) close to the sliding rod (3) is fixedly sleeved with a clamping sleeve (14), and one end of the clamping rod (5) far away from the clamping sleeve (14) is fixedly connected with a pull rod (15).

3. An adjustable forestry field investigation sample block according to claim 2, wherein: the clamping rod (5) is sleeved with a spring (16), and two ends of the spring (16) are fixedly connected with the clamping sleeve (14) and the clamping block (4) respectively.

4. An adjustable forestry field investigation sample block of claim 1, wherein: the torsion spring is sleeved on the rotating shaft (6), and two ends of the torsion spring are fixedly connected with the first supporting plate (1) and the first connecting plate (7) respectively.

5. An adjustable forestry field investigation sample block of claim 1, wherein: one end of the screw rod (9) positioned in the thread groove is fixedly connected with a limiting block (17).

6. An adjustable forestry field investigation sample block of claim 1, wherein: one end of the knob (13) is rotatably connected with an arc-shaped inserting rod (19) through a pin shaft (18), and a plurality of slots corresponding to the arc-shaped inserting rod (19) are formed in the first connecting plate (7) in a surrounding mode.