CN219347350U - Clamp for building material flammability test furnace - Google Patents

Abstract

The utility model relates to a clamp for a building material combustibility test furnace, which comprises a base, wherein a worm wheel and a worm and worm wheel are rotatably arranged in the base and are meshed with the worm, a first gear is fixedly arranged at the top end of the worm wheel, a threaded column is vertically and fixedly arranged at the top end of the first gear, a lifting seat is arranged above the base, the threaded column penetrates through the lifting seat, a synchronous transmission mechanism is further arranged in the base and comprises a second gear, the center position of the top end of the second gear is fixedly connected with a threaded shaft, the outer shaft wall of the threaded shaft is sheathed with a threaded cylinder, two fixing rods are vertically and fixedly arranged on the outer cylinder wall of the threaded cylinder, two supporting shafts are vertically arranged at the top ends of the two fixing rods, and the distance between the two clamping seats is adjusted in a mode of synchronously adjusting the heights of two clamping seats through a driving mechanism and the synchronous transmission mechanism.

Description

Clamp for building material flammability test furnace

Technical Field

The utility model relates to the technical field of building material flammability test furnaces, in particular to a clamp for a building material flammability test furnace.

Background

The building material combustibility test furnace meets the technical indexes and requirements specified in national standard GB/T8626-2007, and is suitable for judging whether the building material has the combustibility test method under the specified conditions.

For the convenience building material combustibility test stove is more effectual carries out ignition test to the building materials, can set up anchor clamps in the test stove furnace body, but traditional anchor clamps are in order to the building materials of the fixed different specification models of effective centre gripping, and the step that need debug is many, leads to the fixed inefficiency to the building materials to reduce the debugging efficiency of whole anchor clamps.

Disclosure of Invention

The utility model solves the problem of low debugging efficiency by providing a clamp for a building material flammability test furnace.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a building materials combustibility test anchor clamps for stove, includes the base, worm wheel and worm are installed to the base internal rotation worm wheel and worm meshing installation, the top fixed mounting of worm wheel has first gear, the top of first gear is perpendicular fixed mounting has the screw thread post, the base top is provided with the elevating socket, the screw thread post screw thread runs through the elevating socket, still be provided with synchronous drive mechanism in the base, synchronous drive mechanism includes the second gear, the top centre of a circle position fixed connection screw thread axle of second gear, the outer axle wall screw thread cover of screw thread axle has a screw thread section of thick bamboo, the urceolus wall perpendicular fixed mounting of screw thread section of thick bamboo has two dead levers, two the equal perpendicular fixed mounting in top of dead lever has two back shafts, two the top of back shaft and elevating socket one side are equal fixed mounting has the grip slipper, two the roll ball that has a plurality of evenly distributed is all embedded in one side in opposite directions.

Preferably, the bottom ends of the two fixing rods are vertically and fixedly provided with limiting shafts, and the two limiting shafts are slidably inserted into the base.

Preferably, two clamping seats start a plurality of rolling cavities on one side opposite to each other, and rolling balls are embedded in the rolling cavities in a rolling manner.

Preferably, the worm wheel, the worm, the first gear and the second gear are all rotatably installed in the base.

Preferably, screws are arranged at four corners of the top end of the base in a threaded mode, a knob is arranged on one side of the base, and the knob is fixedly arranged at one end of the worm.

Preferably, the top vertical fixedly connected with of base is two spacing post, two spacing post all slides and runs through the elevating seat, two the top of spacing post is all fixed mounting has the dog.

The beneficial effects of the utility model are as follows:

two clamping seats which are vertically symmetrical are arranged, a plurality of rolling balls are embedded into opposite sides of the two clamping seats, the distance between the two clamping seats is adjusted by means of synchronous adjustment of the heights of the two clamping seats through a driving mechanism and a synchronous transmission mechanism, and the clamp has the characteristics of high operation efficiency and few operation steps, and can improve the debugging efficiency of the whole clamp.

Drawings

FIG. 1 is a schematic view of the overall appearance structure of the present utility model;

FIG. 2 is a schematic top view of a base of the present utility model;

FIG. 3 is a schematic diagram of the driving mechanism and the synchronous transmission mechanism of the present utility model;

fig. 4 is a schematic view of a mounting structure of a clamping seat according to the present utility model.

Legend description:

1. a base; 11. a screw; 12. a knob; 13. a limit column; 14. a stop block;

2. an active mechanism; 21. a worm wheel; 22. a worm; 23. a first gear; 24. a threaded column;

3. a lifting seat;

4. a synchronous transmission mechanism; 41. a second gear; 42. a threaded shaft; 43. a thread cylinder; 44. a fixed rod; 45. a support shaft; 46. a limiting shaft;

5. a clamping seat; 51. a rolling ball; 52. a rolling chamber.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific examples are given below.

Referring to fig. 1-4, a clamp for a building material combustibility test furnace comprises a base 1, a driving mechanism 2 is rotatably installed in the base 1, the driving mechanism 2 comprises a worm wheel 21 and a worm 22, the worm wheel 21 and the worm 22 are meshed and installed, a first gear 23 is fixedly installed at the top end of the worm wheel 21, a threaded column 24 is vertically and fixedly installed at the top end of the first gear 23, the rotation of the threaded column 24 can drive a lifting seat 3 to synchronously rotate, but the lifting seat 3 is slidably installed on the outer column wall of the limiting column 13, so that the lifting seat 3 can be lifted and moved, the lifting seat 3 is arranged above the base 1, the threaded column 24 is threaded to penetrate through the lifting seat 3, a synchronous transmission mechanism 4 is further arranged in the base 1, the synchronous transmission mechanism 4 comprises a second gear 41, the center position of the top end of the second gear 41 is fixedly connected with a threaded shaft 42, the outer shaft of the threaded shaft 42 is sleeved with a threaded cylinder 43, the threaded shaft 42 rotates to synchronously, but the threaded cylinder 43 is fixedly installed on the outer column wall of the threaded cylinder 44, the bottom end of the fixed rod 44 is vertically and fixedly connected with a limiting shaft 46, the two limiting shafts 46 are slidably inserted into the base 1, two supporting shafts 5 are fixedly arranged on two sides of the two supporting shafts, and the two supporting shafts are fixedly arranged on two sides of the two supporting shafts 45 are fixedly arranged on the two sides of the two supporting shafts and are in a plurality of the same size, and are fixedly arranged on the two sides of the top shafts 51, and are fixedly arranged on the two supporting shafts and are in the top of the two supporting shafts and are fixedly arranged on the top of the supporting shafts 51, and can be installed on the two supporting shafts and one side and 51, and one side and a supporting shaft 51 is installed.

Referring to fig. 1 to 4, particularly, the bottom ends of the two fixing rods 44 are vertically and fixedly provided with the limiting shafts 46, the two limiting shafts 46 are slidably inserted into the base 1, one side of the two clamping seats 5 is provided with a plurality of rolling cavities 52, the rolling cavities 52 are internally embedded with rolling balls 51, the rolling balls 51 are designed in a matching manner with the rolling cavities 52, the rolling balls 51 are stably and non-swaying in rolling, the worm wheel 21, the worm 22, the first gear 23 and the second gear 41 are rotatably installed in the base 1, screws 11 are installed at four corners of the top end of the base 1, the base 1 is conveniently and detachably installed in a test furnace, one side of the base 1 is provided with a knob 12, the worm 22 is conveniently rotated, the knob 12 is fixedly installed at one end of the worm 22, the top end of the base 1 is vertically and fixedly connected with two limiting columns 13, the two limiting columns 13 are slidably penetrated through the lifting seat 3, the top ends of the two limiting columns 13 are fixedly provided with stoppers 14, and the lifting seat 3 is prevented from falling off from the limiting columns 13.

Working principle:

firstly, placing a building material to be clamped on the top end of a clamping seat 5 positioned below, and moving the building material to a central position in a horizontal plane by utilizing a plurality of rolling balls 51, so that the building material can be conveniently pressed and fixed by the same-direction force with the clamping seat 5 positioned above;

the second step, then select knob 12, and then drive worm 22 rotation, thereby drive worm wheel 21 rotation, worm wheel 21 drives first gear 23 rotation, and then drive screw post 24 rotation, and then drive elevating socket 3 begins to descend, just make the grip slipper 5 that is located the top descend the height, and slide on two spacing posts 13, the rotation of first gear 23 can drive second gear 41 counter-rotation, just drive screw shaft 42 rotation, and then drive screw section of thick bamboo 43 and rise, dead lever 44 this moment, back shaft 45 and spacing axle 46 rise in step, just make grip slipper 5 and building material that is located the below begin to rise the height, two grip slipper 5 move in opposite directions, can the fastest unclamping or press from both sides tight building material, therefore have the operation step few, the efficient characteristics of centre gripping.

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 fixture for the building material combustibility test furnace comprises a base (1), and is characterized in that the base (1) is internally provided with a driving mechanism (2) in a rotating manner, the driving mechanism (2) comprises a worm wheel (21) and a worm (22), the worm wheel (21) is meshed with the worm (22) for installation, a first gear (23) is fixedly arranged at the top end of the worm wheel (21), a threaded column (24) is vertically and fixedly arranged at the top end of the first gear (23), a lifting seat (3) is arranged above the base (1), the threaded column (24) penetrates through the lifting seat (3) in a threaded manner, the base (1) is internally provided with a synchronous transmission mechanism (4), the synchronous transmission mechanism (4) comprises a second gear (41), a threaded shaft (42) is fixedly connected to the center position of the top end of the second gear (41), a threaded cylinder (43) is sleeved on the outer cylinder wall of the threaded shaft (42), two fixing rods (44) are vertically and fixedly arranged on the outer cylinder wall of the threaded cylinder, two supporting shafts (45) are vertically and fixedly arranged on one side of the two supporting shafts (45) of the two supporting seats (45), one opposite sides of the two clamping seats (5) are embedded and provided with a plurality of uniformly distributed rolling balls (51) in a rolling way.

2. The fixture for the building material combustibility test furnace according to claim 1, wherein the bottom ends of the two fixing rods (44) are vertically and fixedly provided with limiting shafts (46), and the two limiting shafts (46) are slidably inserted into the base (1).

3. The fixture for the building material combustibility test furnace according to claim 1, wherein a plurality of rolling cavities (52) are formed on one side of the two clamping seats (5) opposite to each other, and rolling balls (51) are embedded in the rolling cavities (52) in a rolling manner.

4. The fixture for the building material combustibility test furnace according to claim 1, wherein the worm wheel (21), the worm (22), the first gear (23) and the second gear (41) are all rotatably installed in the base (1).

5. The fixture for the building material combustibility test furnace according to claim 1, wherein screws (11) are respectively arranged at four corners of the top end of the base (1), a knob (12) is arranged on one side of the base (1), and the knob (12) is fixedly arranged at one end of a worm (22).

6. The fixture for the building material combustibility test furnace according to claim 1, wherein two limit posts (13) are vertically and fixedly connected to the top end of the base (1), the two limit posts (13) slide through the lifting seat (3), and stop blocks (14) are fixedly arranged on the top ends of the two limit posts (13).

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