CN210621662U

CN210621662U - Drop hammer safety device

Info

Publication number: CN210621662U
Application number: CN201921032102.6U
Authority: CN
Inventors: 熊路明; 罗明高; 温锦敏; 王彬; 叶泽彬
Original assignee: Heshan Architectural Design Institute Co Ltd
Current assignee: Heshan Architectural Design Institute Co Ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-05-26
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses a drop hammer safety device, which comprises a drop hammer and a cover body, wherein the drop hammer comprises a hammer body, a guide rod and a hammer pad, the hammer pad is fixed at the tail end of the guide rod, the hammer body is sleeved and sleeved on the guide rod, and the hammer body can slide on the guide rod; the cover body is wrapped on the hammer body, and the lower end of the cover body is fixedly connected with the hammer pad. The hammer body is wrapped by the cover body, the hammer body moves in the cover body, and the handle is prevented from extending into the hammer pad when a worker operates the hammer, so that the hammer is prevented from being injured.

Description

Drop hammer safety device

Technical Field

The utility model relates to a measuring equipment field, in particular to drop hammer safety device.

Background

During the standard penetration test in geotechnical engineering exploration, a weight falling freely is used and falls from a weight guide rod, and in the drilling work, drilling workers are easily damaged by the weight if the operation is improper.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a drop hammer safety device, can guarantee user's safety.

According to the utility model discloses a first aspect provides a drop hammer safety device, include:

drop hammer: the hammer comprises a hammer body, a guide rod and a hammer pad, wherein the hammer pad is fixed at the tail end of the guide rod, the hammer body is sleeved on the guide rod in a sleeving manner, and the hammer body can slide on the guide rod;

cover body: the cover body is wrapped on the hammer body, and the lower end of the cover body is fixedly connected with the hammer pad.

Has the advantages that: the hammer body is wrapped by the cover body, the hammer body moves in the cover body, and the handle is prevented from extending into the hammer pad when a worker operates the hammer, so that the hammer is prevented from being injured.

According to the utility model discloses an aspect a drop hammer safety device, the cover body sets to transparent, the outer wall of the cover body is provided with the scale. The worker can conveniently determine the falling height of the hammer body.

According to the utility model discloses an aspect a hammer safety device falls, the hammer bolster is provided with a plurality of exhaust hole. When the hammer body falls, air is discharged from the bottom of the hammer pad, so that the accuracy and the reliability of a test result are prevented from being influenced.

According to the utility model discloses an aspect a drop hammer safety device, the hammer bolster with the cover body passes through flange bolt fixed, flange bolt is vertical direction. Prevent the flange bolt between the cover body and the hammer pad from breaking after receiving impact.

According to the utility model discloses a drop hammer safety device of first aspect, the cover body includes the glass steel. Reduce the noise generated by the falling of the hammer body.

According to the utility model discloses an aspect a hammer safety device falls, the guide arm still overlaps and is equipped with clamping mechanism, the hammer block be provided with the fixture block of clamping mechanism joint, clamping mechanism can slide on the guide arm, but clamping mechanism lock joint the hammer block or release the hammer block. The hammer body is pulled up by the clamping mechanism and automatically released.

According to the utility model discloses an aspect a hammer safety device falls, joint mechanism includes the slider that two symmetries set up, the lower part of slider be provided with the joint portion of fixture block joint, two be provided with the spring between the slider, the slider is provided with and to inlay the recess of the outer wall of guide arm, the guide arm includes first guide arm section and second guide arm section, first guide arm section sets up the upper portion of second guide arm section, the diameter of first guide arm section is less than the diameter of second guide arm section. When the sliding block rises to the first guide rod section of the knife, the sliding block is closed under the action of the spring, so that the clamping blocks at the lower part are mutually far away, the clamping blocks are released, the hammer body is released, and the falling release of the hammer body is completed.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic view of an installation structure of the guide rod and the clamping mechanism in the embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a drop hammer safety device includes:

drop hammer: the hammer comprises a hammer body 11, a guide rod 12 and a hammer pad 13, wherein the hammer pad 13 is fixed at the tail end of the guide rod 12, the hammer body 11 is sleeved on the guide rod 12, and the hammer body 11 can slide on the guide rod 12;

cover body 20: the cover body 20 is wrapped on the hammer body 11, and the lower end of the cover body 20 is fixedly connected with the hammer pad 13.

The hammer body 11 is wrapped by the cover body 20, when the hammer body 11 is used for freely falling, the hammer body 11 moves in the cover body 20, the handle is prevented from extending into the hammer pad 13 when a worker operates, and therefore injury is avoided.

In some embodiments, the cover 20 is transparent, and the outer wall of the cover 20 is provided with a scale. It is convenient for the worker to determine the height at which the hammer body 11 falls.

In some embodiments, the pad 13 is provided with a plurality of vent holes. When the hammer body 11 falls, air is discharged from the bottom of the hammer pad 13, so that the accuracy and the reliability of the test result are prevented from being influenced.

In some embodiments, the pad 13 and the housing 20 are fixed by a flange bolt 132, and the flange bolt 132 is vertical. The flange bolts 132 between the cover body 20 and the hammer pads 13 are prevented from being broken upon receiving an impact.

In certain embodiments, the enclosure 20 comprises fiberglass. The noise generated by the falling of the hammer body 11 is reduced.

In some embodiments, referring to fig. 2, the guide rod 12 is further sleeved with a clamping mechanism, the hammer body 11 is provided with a clamping block 111 clamped with the clamping mechanism, the clamping mechanism can slide on the guide rod 12, and the clamping mechanism can lock the hammer body 11 or release the hammer body 11. The clamping mechanism comprises two symmetrically-arranged sliding blocks 30, the lower portion of each sliding block 30 is provided with a clamping portion 31 clamped with the corresponding clamping block 111, a spring 32 is arranged between the two sliding blocks 30, each sliding block 30 is provided with a groove capable of being embedded into the outer wall of the corresponding guide rod 12, each guide rod 12 comprises a first guide rod section 121 and a second guide rod section 122, the first guide rod section 121 is arranged on the upper portion of the second guide rod section 122, and the diameter of the first guide rod section 121 is smaller than that of the second guide rod section 122.

In practical process, the slider 30 is lifted by using a hook machine or other equipment, so that when the slider 30 rises to the first guide rod section 121, the slider is closed under the action of the spring 32, the clamping blocks 111 at the lower part are separated from each other, the clamping blocks 111 are released, the hammer body 11 is released, and the falling of the hammer body 11 is released.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A drop hammer safety device, comprising:

drop hammer: the hammer comprises a hammer body, a guide rod and a hammer pad, wherein the hammer pad is fixed at the tail end of the guide rod, the hammer body is sleeved on the guide rod, and the hammer body can slide on the guide rod;

2. A drop hammer safety device as claimed in claim 1, wherein the cover is transparent and the outer wall of the cover is provided with graduations.

3. A drop hammer safety device as claimed in claim 1, wherein the pad is provided with a plurality of vent holes.

4. The drop hammer safety device of claim 1, wherein the pad and the housing are secured by a flange bolt, the flange bolt being vertically oriented.

5. A drop hammer safety device according to claim 1, 3 or 4, wherein the housing comprises glass fibre reinforced plastic.

6. The drop hammer safety device of claim 1, wherein the guide rod is further sleeved with a clamping mechanism, the hammer body is provided with a clamping block clamped with the clamping mechanism, the clamping mechanism can slide on the guide rod, and the clamping mechanism can lock or release the hammer body.

7. The drop hammer safety device according to claim 6, wherein the clamping mechanism comprises two symmetrically arranged sliding blocks, the lower parts of the sliding blocks are provided with clamping parts clamped with the clamping blocks, a spring is arranged between the two sliding blocks, the sliding blocks are provided with grooves capable of being embedded into the outer wall of the guide rod, the guide rod comprises a first guide rod section and a second guide rod section, the first guide rod section is arranged on the upper part of the second guide rod section, and the diameter of the first guide rod section is smaller than that of the second guide rod section.